"Mon, 03 Feb 2025 09:20:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250203
Only TIME
09:20:31
General datetime
2025-02-03 09:20:31Z
For Database
2025-02-03 09:20:31
For HTTP1.1
Mon, 03 Feb 2025 09:20:31 GMT