Attempt to work around timezones

modules/utils.py

@@ -0,0 +1,38 @@
+from datetime import datetime
+from typing import Union
+
+from pytz import UTC
+from pytz import timezone as pytz_timezone
+
+
+def to_utc(date: datetime, timezone: Union[str, None] = None) -> datetime:
+    """Move timezone unaware datetime object to UTC timezone and return it.
+
+    ### Args:
+        * date (`datetime`): Datetime to be converted.
+        * timezone (`Union[str, None] = None`): Timezone name (must be pytz-compatible). Defaults to `None` (UTC).
+
+    ### Returns:
+        * `datetime`: Timezone unaware datetime in UTC with timezone's offset applied to it.
+    """
+    timezone = "UTC" if timezone is None else timezone
+    return pytz_timezone(timezone).localize(date).astimezone(UTC).replace(tzinfo=None)
+
+
+def from_utc(date: datetime, timezone: Union[str, None] = None) -> datetime:
+    """Move timezone unaware datetime object to the timezone specified and return it.
+
+    ### Args:
+        * date (`datetime`): Datetime to be converted.
+        * timezone (`Union[str, None] = None`): Timezone name (must be pytz-compatible). Defaults to `None` (UTC).
+
+    ### Returns:
+        * `datetime`: Timezone unaware datetime in timezone provided with offset from UTC applied to it.
+    """
+    timezone = "UTC" if timezone is None else timezone
+    return (
+        pytz_timezone("UTC")
+        .localize(date)
+        .astimezone(pytz_timezone(timezone))
+        .replace(tzinfo=None)
+    )