"Mon, 03 Feb 2025 14:42:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250203
Only TIME
14:42:15
General datetime
2025-02-03 14:42:15Z
For Database
2025-02-03 14:42:15
For HTTP1.1
Mon, 03 Feb 2025 14:42:15 GMT