diff --git a/app/scodoc/sco_assiduites.py b/app/scodoc/sco_assiduites.py
index 8d31def59..0617fc761 100644
--- a/app/scodoc/sco_assiduites.py
+++ b/app/scodoc/sco_assiduites.py
@@ -5,7 +5,142 @@ from app.models.assiduites import Assiduite, Justificatif
 from app.models.etudiants import Identite
 from app.models.formsemestre import FormSemestre, FormSemestreInscription
 
-# TOTALK: Réfléchir sur le fractionnement d'une assiduite prolongée
+
+class CountCalculator:
+    def __init__(
+        self,
+        morning: time = time(8, 0),
+        noon: time = time(12, 0),
+        after_noon: time = time(14, 00),
+        evening: time = time(18, 0),
+        skip_saturday: bool = True,
+    ) -> None:
+
+        self.morning: time = morning
+        self.noon: time = noon
+        self.after_noon: time = after_noon
+        self.evening: time = evening
+        self.skip_saturday: bool = skip_saturday
+
+        delta_total: timedelta = datetime.combine(date.min, evening) - datetime.combine(
+            date.min, morning
+        )
+        delta_lunch: timedelta = datetime.combine(
+            date.min, after_noon
+        ) - datetime.combine(date.min, noon)
+
+        self.hour_per_day: float = (delta_total - delta_lunch).total_seconds() / 3600
+
+        self.days: list[date] = []
+        self.half_days: list[tuple[date, bool]] = []  # tuple -> (date, morning:bool)
+        self.hours: float = 0.0
+
+        self.count: int = 0
+
+    def add_half_day(self, day: date, is_morning: bool = True):
+        key: tuple[date, bool] = (day, is_morning)
+        if key not in self.half_days:
+            self.half_days.append(key)
+
+    def add_day(self, day: date):
+        if day not in self.days:
+            self.days.append(day)
+
+    def check_in_morning(self, period: tuple[datetime, datetime]) -> bool:
+
+        interval_morning: tuple[datetime, datetime] = (
+            scu.localize_datetime(datetime.combine(period[0].date(), self.morning)),
+            scu.localize_datetime(datetime.combine(period[0].date(), self.noon)),
+        )
+
+        in_morning: bool = scu.is_period_overlapping(period, interval_morning)
+        return in_morning
+
+    def check_in_evening(self, period: tuple[datetime, datetime]) -> bool:
+
+        interval_evening: tuple[datetime, datetime] = (
+            scu.localize_datetime(datetime.combine(period[0].date(), self.after_noon)),
+            scu.localize_datetime(datetime.combine(period[0].date(), self.evening)),
+        )
+
+        in_evening: bool = scu.is_period_overlapping(period, interval_evening)
+
+        return in_evening
+
+    def compute_long_assiduite(self, assi: Assiduite):
+
+        pointer_date: date = assi.date_debut.date() + timedelta(days=1)
+        start_hours: timedelta = assi.date_debut - scu.localize_datetime(
+            datetime.combine(assi.date_debut, self.morning)
+        )
+        finish_hours: timedelta = assi.date_fin - scu.localize_datetime(
+            datetime.combine(assi.date_fin, self.morning)
+        )
+
+        self.add_day(assi.date_debut.date())
+        self.add_day(assi.date_fin.date())
+
+        start_period: tuple[datetime, datetime] = (
+            assi.date_debut,
+            scu.localize_datetime(
+                datetime.combine(assi.date_debut.date(), self.evening)
+            ),
+        )
+
+        finish_period: tuple[datetime, datetime] = (
+            scu.localize_datetime(datetime.combine(assi.date_fin.date(), self.morning)),
+            assi.date_fin,
+        )
+        hours = 0.0
+        for period in (start_period, finish_period):
+            if self.check_in_evening(period):
+                self.add_half_day(period[0].date(), False)
+            if self.check_in_morning(period):
+                self.add_half_day(period[0].date())
+
+        while pointer_date < assi.date_fin.date():
+            if pointer_date.weekday() < (6 - self.skip_saturday):
+                self.add_day(pointer_date)
+                self.add_half_day(pointer_date)
+                self.add_half_day(pointer_date, False)
+                self.hours += self.hour_per_day
+                hours += self.hour_per_day
+
+            pointer_date += timedelta(days=1)
+
+        self.hours += finish_hours.total_seconds() / 3600
+        self.hours += self.hour_per_day - (start_hours.total_seconds() / 3600)
+
+    def compute_assiduites(self, assiduites: Assiduite):
+        assi: Assiduite
+        for assi in assiduites.all():
+            self.count += 1
+            delta: timedelta = assi.date_fin - assi.date_debut
+
+            if delta.days > 0:
+                # raise Exception(self.hours)
+                self.compute_long_assiduite(assi)
+
+                continue
+
+            period: tuple[datetime, datetime] = (assi.date_debut, assi.date_fin)
+            deb_date: date = assi.date_debut.date()
+            if self.check_in_morning(period):
+                self.add_half_day(deb_date)
+            if self.check_in_evening(period):
+                self.add_half_day(deb_date, False)
+
+            self.add_day(deb_date)
+
+            self.hours += delta.total_seconds() / 3600
+
+    def to_dict(self) -> dict[str, object]:
+        return {
+            "compte": self.count,
+            "journee": len(self.days),
+            "demi": len(self.half_days),
+            "heure": round(self.hours, 2),
+        }
 
 
 def get_assiduites_stats(
@@ -27,7 +162,10 @@ def get_assiduites_stats(
                 assiduites = filter_by_formsemestre(assiduites, filtered[key])
         if (deb, fin) != (None, None):
             assiduites = filter_by_date(assiduites, Assiduite, deb, fin)
-    count: dict = get_count(assiduites)
+
+    calculator: CountCalculator = CountCalculator()
+    calculator.compute_assiduites(assiduites)
+    count: dict = calculator.to_dict()
 
     metrics: list[str] = metric.split(",")
 
@@ -39,104 +177,104 @@ def get_assiduites_stats(
     return output if output else count
 
 
-def big_counter(
-    interval: tuple[datetime],
-    pref_time: time = time(12, 0),
-):
-    curr_date: datetime
+# def big_counter(
+#     interval: tuple[datetime],
+#     pref_time: time = time(12, 0),
+# ):
+#     curr_date: datetime
 
-    if interval[0].time() >= pref_time:
-        curr_date = scu.localize_datetime(
-            datetime.combine(interval[0].date(), pref_time)
-        )
-    else:
-        curr_date = scu.localize_datetime(
-            datetime.combine(interval[0].date(), time(0, 0))
-        )
+#     if interval[0].time() >= pref_time:
+#         curr_date = scu.localize_datetime(
+#             datetime.combine(interval[0].date(), pref_time)
+#         )
+#     else:
+#         curr_date = scu.localize_datetime(
+#             datetime.combine(interval[0].date(), time(0, 0))
+#         )
 
-    def next_(curr: datetime, journee):
-        if curr.time() != pref_time:
-            next_time = scu.localize_datetime(datetime.combine(curr.date(), pref_time))
-        else:
-            next_time = scu.localize_datetime(
-                datetime.combine(curr.date() + timedelta(days=1), time(0, 0))
-            )
-            journee += 1
-        return next_time, journee
+#     def next_(curr: datetime, journee):
+#         if curr.time() != pref_time:
+#             next_time = scu.localize_datetime(datetime.combine(curr.date(), pref_time))
+#         else:
+#             next_time = scu.localize_datetime(
+#                 datetime.combine(curr.date() + timedelta(days=1), time(0, 0))
+#             )
+#             journee += 1
+#         return next_time, journee
 
-    demi: int = 0
-    j: int = 0
-    while curr_date <= interval[1]:
-        next_time: datetime
-        next_time, j = next_(curr_date, j)
-        if scu.is_period_overlapping((curr_date, next_time), interval, True):
-            demi += 1
-        curr_date = next_time
+#     demi: int = 0
+#     j: int = 0
+#     while curr_date <= interval[1]:
+#         next_time: datetime
+#         next_time, j = next_(curr_date, j)
+#         if scu.is_period_overlapping((curr_date, next_time), interval, True):
+#             demi += 1
+#         curr_date = next_time
 
-    delta: timedelta = interval[1] - interval[0]
-    heures: float = delta.total_seconds() / 3600
+#     delta: timedelta = interval[1] - interval[0]
+#     heures: float = delta.total_seconds() / 3600
 
-    if delta.days >= 1:
-        heures -= delta.days * 16
+#     if delta.days >= 1:
+#         heures -= delta.days * 16
 
-    return (demi, j, heures)
+#     return (demi, j, heures)
 
 
-def get_count(
-    assiduites: Assiduite, noon: time = time(hour=12)
-) -> dict[str, int or float]:
-    """Fonction permettant de compter les assiduites
-    -> seul "compte" est correcte lorsque les assiduites viennent de plusieurs étudiants
-    """
-    # TODO: Comptage demi journée / journée d'assiduité longue
-    output: dict[str, int or float] = {}
-    compte: int = assiduites.count()
-    heure: float = 0.0
-    journee: int = 0
-    demi: int = 0
+# def get_count(
+#     assiduites: Assiduite, noon: time = time(hour=12)
+# ) -> dict[str, int or float]:
+#     """Fonction permettant de compter les assiduites
+#     -> seul "compte" est correcte lorsque les assiduites viennent de plusieurs étudiants
+#     """
+#     # TODO: Comptage demi journée / journée d'assiduité longue
+#     output: dict[str, int or float] = {}
+#     compte: int = assiduites.count()
+#     heure: float = 0.0
+#     journee: int = 0
+#     demi: int = 0
 
-    all_assiduites: list[Assiduite] = assiduites.order_by(Assiduite.date_debut).all()
+#     all_assiduites: list[Assiduite] = assiduites.order_by(Assiduite.date_debut).all()
 
-    current_day: date = None
-    current_time: str = None
+#     current_day: date = None
+#     current_time: str = None
 
-    midnight: time = time(hour=0)
+#     midnight: time = time(hour=0)
 
-    def time_check(dtime):
-        return midnight <= dtime.time() <= noon
+#     def time_check(dtime):
+#         return midnight <= dtime.time() <= noon
 
-    for ass in all_assiduites:
-        delta: timedelta = ass.date_fin - ass.date_debut
+#     for ass in all_assiduites:
+#         delta: timedelta = ass.date_fin - ass.date_debut
 
-        if delta.days > 0:
+#         if delta.days > 0:
 
-            computed_values: tuple[int, int, float] = big_counter(
-                (ass.date_debut, ass.date_fin), noon
-            )
+#             computed_values: tuple[int, int, float] = big_counter(
+#                 (ass.date_debut, ass.date_fin), noon
+#             )
 
-            demi += computed_values[0] - 1
-            journee += computed_values[1] - 1
-            heure += computed_values[2]
+#             demi += computed_values[0] - 1
+#             journee += computed_values[1] - 1
+#             heure += computed_values[2]
 
-            current_day = ass.date_fin.date()
-            continue
+#             current_day = ass.date_fin.date()
+#             continue
 
-        heure += delta.total_seconds() / 3600
+#         heure += delta.total_seconds() / 3600
 
-        ass_time: str = time_check(ass.date_debut)
+#         ass_time: str = time_check(ass.date_debut)
 
-        if current_day != ass.date_debut.date():
-            current_day = ass.date_debut.date()
-            current_time = ass_time
-            demi += 1
-            journee += 1
+#         if current_day != ass.date_debut.date():
+#             current_day = ass.date_debut.date()
+#             current_time = ass_time
+#             demi += 1
+#             journee += 1
 
-        if current_time != ass_time:
-            current_time = ass_time
-            demi += 1
+#         if current_time != ass_time:
+#             current_time = ass_time
+#             demi += 1
 
-    heure = round(heure, 2)
-    return {"compte": compte, "journee": journee, "heure": heure, "demi": demi}
+#     heure = round(heure, 2)
+#     return {"compte": compte, "journee": journee, "heure": heure, "demi": demi}
 
 
 def filter_assiduites_by_etat(assiduites: Assiduite, etat: str) -> Assiduite:
diff --git a/app/scodoc/sco_utils.py b/app/scodoc/sco_utils.py
index eee59ee53..9f78fd2f5 100644
--- a/app/scodoc/sco_utils.py
+++ b/app/scodoc/sco_utils.py
@@ -159,15 +159,11 @@ def localize_datetime(date: datetime.datetime or str) -> datetime.datetime:
 
     new_date: datetime.datetime = date
     if date is not None and date.tzinfo is None:
-        from app.models.assiduites import Assiduite
-
-        first_assiduite = Assiduite.query.first()
-        if first_assiduite is not None:
-            new_date = date.replace(tzinfo=first_assiduite.date_debut.tzinfo)
-        else:
-            # TOTALK: Paramètre permettant d'avoir l'UTC par défaut
-            tmp = is_iso_formated("2022-01-01T08:00:00+01:00", True)
-            new_date = date.replace(tzinfo=tmp.tzinfo)
+        # TOTALK: Paramètre scodoc pour avoir la timezone du serveur/ timezone paramétrée
+        time_zone: datetime.timezone = datetime.timezone(
+            datetime.timedelta(seconds=3600), "default"
+        )
+        new_date = date.replace(tzinfo=time_zone)
     return new_date
 
 
diff --git a/scodoc.py b/scodoc.py
index 42093ae1b..f3736772b 100755
--- a/scodoc.py
+++ b/scodoc.py
@@ -471,15 +471,35 @@ def migrate_scodoc7_dept_archives(dept: str):  # migrate-scodoc7-dept-archives
 
 
 @app.cli.command()
-@click.argument("dept", default="")
-@click.argument("morning", default="")
-@click.argument("noon", default="")
-@click.argument("evening", default="")
+@click.option(
+    "-d", "--dept", help="Restreint la migration au dept sélectionné (ACRONYME)"
+)
+@click.option(
+    "-m",
+    "--morning",
+    help="Spécifie l'heure de début des cours format `hh:mm`",
+    default="08h00",
+    show_default=True,
+)
+@click.option(
+    "-n",
+    "--noon",
+    help="Spécifie l'heure de fin du matin (et donc début de l'après-midi) format `hh:mm`",
+    default="12h00",
+    show_default=True,
+)
+@click.option(
+    "-e",
+    "--evening",
+    help="Spécifie l'heure de fin des cours format `hh:mm`",
+    default="18h00",
+    show_default=True,
+)
 @with_appcontext
 def migrate_abs_to_assiduites(
-    dept: str = "", morning: str = "", noon: str = "", evening: str = ""
-):  # migrate-scodoc7-dept-archives
-    """Post-migration: renomme les archives en fonction des id de ScoDoc 9"""
+    dept: str = None, morning: str = None, noon: str = None, evening: str = None
+):  # migrate-abs-to-assiduites
+    """Permet de migrer les absences vers le nouveau module d'assiduités"""
     tools.migrate_abs_to_assiduites(dept, morning, noon, evening)
 
 
diff --git a/tests/unit/test_assiduites.py b/tests/unit/test_assiduites.py
index 3c84fa8a4..604be4774 100644
--- a/tests/unit/test_assiduites.py
+++ b/tests/unit/test_assiduites.py
@@ -449,7 +449,7 @@ def ajouter_assiduites(
             {
                 "etat": scu.EtatAssiduite.RETARD,
                 "deb": "2022-11-04T11:00:01+01:00",
-                "fin": "2022-12-04T12:00+01:00",
+                "fin": "2022-12-05T12:00+01:00",
                 "moduleimpl": None,
                 "desc": "Description",
             },
@@ -528,12 +528,14 @@ def verifier_comptage_et_filtrage_assiduites(
 
     assert comptage["compte"] == 6 + 1, "la métrique 'Comptage' n'est pas bien calculée"
     assert (
-        comptage["journee"] == 3 + 30
+        comptage["journee"] == 3 + 22
     ), "la métrique 'Journée' n'est pas bien calculée"
     assert (
-        comptage["demi"] == 4 + 60
+        comptage["demi"] == 4 + 43
     ), "la métrique 'Demi-Journée' n'est pas bien calculée"
-    assert comptage["heure"] == 8 + 241, "la métrique 'Heure' n'est pas bien calculée"
+    assert comptage["heure"] == float(
+        8 + 169
+    ), "la métrique 'Heure' n'est pas bien calculée"
 
     # Vérification du filtrage classique
 
diff --git a/tools/migrate_abs_to_assiduites.py b/tools/migrate_abs_to_assiduites.py
index 45e6a559f..a8cb967cc 100644
--- a/tools/migrate_abs_to_assiduites.py
+++ b/tools/migrate_abs_to_assiduites.py
@@ -1,4 +1,5 @@
 # Script de migration des données de la base "absences" -> "assiduites"/"justificatifs"
+import shutil
 
 from app import db
 
@@ -19,6 +20,60 @@ class glob:
     DUPLICATED: list[Justificatif] = []
 
 
+class bcolors:
+    BLUE = "\033[94m"
+    CYAN = "\033[96m"
+    GREEN = "\033[92m"
+    MAGENTA = "\033[95m"
+    RED = "\033[91m"
+    RESET = "\033[0m"
+
+
+def printProgressBar(
+    iteration,
+    total,
+    prefix="",
+    suffix="",
+    finish_msg="",
+    decimals=1,
+    length=100,
+    fill="█",
+    autosize=False,
+):
+    """
+    Affiche une progress bar à un point donné (mettre dans une boucle pour rendre dynamique)
+    @params:
+        iteration   - Required  : index du point donné (Int)
+        total       - Required  : nombre total avant complétion (eg: len(List))
+        prefix      - Optional  : Préfix -> écrit à gauche de la barre (Str)
+        suffix      - Optional  : Suffix -> écrit à droite de la barre (Str)
+        decimals    - Optional  : nombres de chiffres après la virgule (Int)
+        length      - Optional  : taille de la barre en nombre de caractères (Int)
+        fill        - Optional  : charactère de remplissange de la barre (Str)
+        autosize    - Optional  : Choisir automatiquement la taille de la barre en fonction du terminal (Bool)
+    """
+    percent = ("{0:." + str(decimals) + "f}").format(100 * (iteration / float(total)))
+    color = bcolors.RED
+    if 50 > float(percent) > 25:
+        color = bcolors.MAGENTA
+    if 75 > float(percent) > 50:
+        color = bcolors.BLUE
+    if 90 > float(percent) > 75:
+        color = bcolors.CYAN
+    if 100 >= float(percent) > 90:
+        color = bcolors.GREEN
+    styling = f"{prefix} |{fill}| {percent}% {suffix}"
+    if autosize:
+        cols, _ = shutil.get_terminal_size(fallback=(length, 1))
+        length = cols - len(styling)
+    filledLength = int(length * iteration // total)
+    bar = fill * filledLength + "-" * (length - filledLength)
+    print(f"\r{color}{styling.replace(fill, bar)}{bcolors.RESET}", end="\r")
+    # Affiche une nouvelle ligne vide
+    if iteration == total:
+        print(f"\n{finish_msg}")
+
+
 def migrate_abs_to_assiduites(
     dept: str = "", morning: str = None, noon: str = None, evening: str = None
 ):
@@ -40,26 +95,26 @@ def migrate_abs_to_assiduites(
     .entry_date: datetime -> timestamp d'entrée de l'abs
     .etudid: relation -> Identite
     """
-    if morning == "":
+    if morning is None:
         pref_time_morning = time(8, 0)
     else:
         morning: list[str] = morning.split("h")
         pref_time_morning = time(int(morning[0]), int(morning[1]))
 
-    if noon == "":
+    if noon is None:
         pref_time_noon = time(12, 0)
     else:
         noon: list[str] = noon.split("h")
         pref_time_noon = time(int(noon[0]), int(noon[1]))
 
-    if evening == "":
+    if evening is None:
         pref_time_evening = time(18, 0)
     else:
         evening: list[str] = evening.split("h")
         pref_time_evening = time(int(evening[0]), int(evening[1]))
 
     absences_query = Absence.query
-    if dept != "":
+    if dept is not None:
         depts_id = [dep.id for dep in Departement.query.filter_by(acronym=dept).all()]
         absences_query = absences_query.filter(Absence.etudid.in_(depts_id))
     absences: list[Absence] = absences_query.order_by(Absence.jour).all()
@@ -67,26 +122,33 @@ def migrate_abs_to_assiduites(
     glob.DUPLICATED = []
     glob.DUPLICATIONS_ASSIDUITES = {}
 
-    for abs in absences:
-        print(f"\n== {abs.jour}:{abs.etudid}:{abs.matin} ==")
+    absences_len: int = len(absences)
+
+    printProgressBar(0, absences_len, "Progression", "effectué", autosize=True)
+
+    for i, abs in enumerate(absences):
+
         if abs.estabs:
             generated = _from_abs_to_assiduite(
                 abs, pref_time_morning, pref_time_noon, pref_time_evening
             )
             if not isinstance(generated, str):
                 db.session.add(generated)
-                print(
-                    f"{abs.jour}:absence:{abs.etudid}:{abs.matin} -> {generated.date_debut}:{generated.date_fin}"
-                )
+
         if abs.estjust:
             generated = _from_abs_to_justificatif(
                 abs, pref_time_morning, pref_time_noon, pref_time_evening
             )
             if not isinstance(generated, str):
                 db.session.add(generated)
-                print(
-                    f"{abs.jour}:justif:{abs.etudid}:{abs.matin} -> {generated.date_debut}:{generated.date_fin}"
-                )
+
+        printProgressBar(
+            i,
+            absences_len,
+            "Progression",
+            "effectué",
+            autosize=True,
+        )
 
     dup_assi = glob.DUPLICATED
     assi: Assiduite
@@ -96,6 +158,15 @@ def migrate_abs_to_assiduites(
 
     db.session.commit()
 
+    printProgressBar(
+        absences_len,
+        absences_len,
+        "Progression",
+        "effectué",
+        autosize=True,
+        finish_msg=f"{bcolors.GREEN}Les absences ont bien été migrées.{bcolors.RESET}",
+    )
+
 
 def _from_abs_to_assiduite(
     _abs: Absence, morning: time, noon: time, evening: time