"Mon, 03 Feb 2025 05:39:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250203
Only TIME
05:39:13
General datetime
2025-02-03 05:39:13Z
For Database
2025-02-03 05:39:13
For HTTP1.1
Mon, 03 Feb 2025 05:39:13 GMT