diff --git a/time_api.py b/time_api.py
index a41a61a..cf27005 100644
--- a/time_api.py
+++ b/time_api.py
@@ -104,3 +104,11 @@ def get_day_end(dt: datetime.date) -> datetime:
     '''
     return dt.replace(hour=23, minute=59, second=59, microsecond=0)
 
+def get_date_from_time(time: str) -> str:
+    '''
+    将一个时间点，转换成日期
+    '''
+    dt = parse_beijing_time(time)
+    return dt.date()
+
+