diff --git a/simnet/client/components/chronicle/starrail.py b/simnet/client/components/chronicle/starrail.py
index 355a16a..8ba1695 100644
--- a/simnet/client/components/chronicle/starrail.py
+++ b/simnet/client/components/chronicle/starrail.py
@@ -5,6 +5,7 @@ from simnet.client.components.chronicle.base import BaseChronicleClient
 from simnet.client.routes import RECORD_URL
 from simnet.errors import BadRequest, DataNotPublic
 from simnet.models.lab.record import RecordCard
+from simnet.models.starrail.chronicle.act_calendar import StarRailActCalendar
 from simnet.models.starrail.chronicle.activity import StarRailActivity
 from simnet.models.starrail.chronicle.challenge import StarRailChallenge
 from simnet.models.starrail.chronicle.challenge_boss import StarRailChallengeBoss
@@ -367,6 +368,27 @@ class StarRailBattleChronicleClient(BaseChronicleClient):
         data = await self._request_starrail_record("activity", uid, lang=lang)
         return StarRailActivity(**data)
 
+    async def get_starrail_act_calendar(
+        self,
+        uid: Optional[int] = None,
+        lang: Optional[str] = None,
+    ) -> StarRailActCalendar:
+        """Get starrail act calendar.
+
+        Args:
+            uid (Optional[int], optional): The player ID. Defaults to None.
+            lang (Optional[str], optional): The language of the data. Defaults to None.
+
+        Returns:
+            StarRailActCalendar: The requested act calendar info.
+
+        Raises:
+            BadRequest: If the request is invalid.
+            DataNotPublic: If the requested data is not public.
+        """
+        data = await self._request_starrail_record("get_act_calender", uid, lang=lang)
+        return StarRailActCalendar(**data)
+
     async def get_starrail_resident(
         self,
         uid: Optional[int] = None,
diff --git a/simnet/models/starrail/chronicle/act_calendar.py b/simnet/models/starrail/chronicle/act_calendar.py
new file mode 100644
index 0000000..5ff2e0a
--- /dev/null
+++ b/simnet/models/starrail/chronicle/act_calendar.py
@@ -0,0 +1,164 @@
+import datetime
+from enum import Enum
+from typing import List, Optional
+
+from simnet.models.base import APIModel
+
+
+class EquipListItem(APIModel):
+    """A model representing an equipment item in the StarRail act calendar."""
+
+    item_id: str
+    item_name: str
+    item_url: Optional[str] = ""
+    rarity: int
+    avatar_base_type: str
+    is_forward: bool
+    wiki_url: str
+
+
+class AvatarListItem(EquipListItem):
+    """A model representing an avatar item in the StarRail act calendar."""
+
+    icon_url: str
+    damage_type: int
+    damage_type_name: str
+    item_avatar_icon_path: str
+
+
+class TimeInfo(APIModel):
+    """A model representing time information in the StarRail act calendar."""
+
+    start_ts: datetime.datetime
+    end_ts: datetime.datetime
+    start_time: datetime.datetime
+    end_time: datetime.datetime
+    now: datetime.datetime
+
+
+class CardPoolTypeEnum(str, Enum):
+    """An enumeration class representing the type of card pool in the StarRail act calendar."""
+
+    Role = "CardPoolRole"
+    Equipment = "CardPoolEquipment"
+
+
+class CardPoolListItem(APIModel):
+    """A model representing an item in the card pool list in the StarRail act calendar."""
+
+    id: str
+    name: str
+    type: CardPoolTypeEnum
+    avatar_list: List[AvatarListItem]
+    equip_list: List[EquipListItem]
+    is_after_version: bool
+    time_info: TimeInfo
+    version: str
+
+
+class RewardItem(APIModel):
+    """A model representing a reward item in the StarRail act calendar."""
+
+    item_id: int
+    name: str
+    icon: str
+    wiki_url: str
+    num: int
+    rarity: str
+
+
+class ActTypeEnum(str, Enum):
+    """An enumeration class representing the type of act in the StarRail act calendar."""
+
+    Sign = "ActivityTypeSign"
+    Double = "ActivityTypeDouble"
+    Other = "ActivityTypeOther"
+
+
+class ActStatusEnum(str, Enum):
+    """An enumeration class representing the status of an act in the StarRail act calendar."""
+
+    SignStatusUnopened = "SignStatusUnopened"
+    SignStatusUnSignedToday = "SignStatusUnSignedToday"
+    SignStatusSignedToday = "SignStatusSignedToday"
+    SignStatusUnclaimed = "SignStatusUnclaimed"
+    SignStatusFinish = "SignStatusFinish"
+
+    DoubleRewardActStatusUnopened = "DoubleRewardActStatusUnopened"
+    DoubleRewardActStatusProgress = "DoubleRewardActStatusProgress"
+    DoubleRewardActStatusFinish = "DoubleRewardActStatusFinish"
+
+    OtherActStatusUnopened = "OtherActStatusUnopened"
+    OtherActStatusUnFinish = "OtherActStatusUnFinish"
+    OtherActStatusFinish = "OtherActStatusFinish"
+
+
+class ActListItem(APIModel):
+    """A model representing an item in the StarRail act calendar."""
+
+    id: int
+    version: str
+    name: str
+    act_type: ActTypeEnum
+    act_status: ActStatusEnum
+    reward_list: List[RewardItem]
+    total_progress: int
+    current_progress: int
+    time_info: TimeInfo
+    panel_id: int
+    panel_desc: str
+    strategy: str
+    multiple_drop_type: int
+    multiple_drop_type_list: List[int]
+    count_refresh_type: int
+    count_value: int
+    drop_multiple: int
+    is_after_version: bool
+    sort_weight: int
+    special_reward: RewardItem
+    all_finished: bool
+    show_text: str
+
+
+class ChallengeTypeEnum(str, Enum):
+    """An enumeration class representing the type of challenge in the StarRail act calendar."""
+
+    Chasm = "ChallengeTypeChasm"
+    Story = "ChallengeTypeStory"
+    Boss = "ChallengeTypeBoss"
+
+
+class ChallengeStatusEnum(str, Enum):
+    """An enumeration class representing the status of a challenge in the StarRail act calendar."""
+
+    Unopened = "challengeStatusUnopened"
+    Progress = "challengeStatusInProgress"
+    Finish = "challengeStatusFinish"
+
+
+class ChallengeListItem(APIModel):
+    """A model representing a challenge item in the StarRail act calendar."""
+
+    group_id: int
+    name_mi18n: str
+    challenge_type: ChallengeTypeEnum
+
+    total_progress: int
+    current_progress: int
+    status: ChallengeStatusEnum
+
+    time_info: TimeInfo
+    reward_list: List[RewardItem]
+    special_reward: RewardItem
+    show_text: str
+
+
+class StarRailActCalendar(APIModel):
+    """A model representing the StarRail act calendar."""
+
+    avatar_card_pool_list: List[CardPoolListItem]
+    equip_card_pool_list: List[CardPoolListItem]
+    act_list: List[ActListItem]
+    challenge_list: List[ChallengeListItem]
+    now: datetime.datetime
+    cur_game_version: str