fix: the timestamp should be ok now

src/utils/misc.py

@@ -84,8 +84,12 @@ def exist_post(file_id: int) -> float | None:
 
 
 def time_now() -> float:
-    """get current time with timezone awareness"""
-    return datetime.now(timezone(session[Config._session_timezone])).timestamp()
+    """get current time based on timezone"""
+    now = datetime.utcnow()
+    return (
+        now.timestamp()
+        + timezone(session[Config._session_timezone]).utcoffset(now).total_seconds()
+    )
 
 
 def create_post(file_id: int, content: str) -> bool: