"Mon, 03 Feb 2025 21:34:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250203
Only TIME
21:34:56
General datetime
2025-02-03 21:34:56Z
For Database
2025-02-03 21:34:56
For HTTP1.1
Mon, 03 Feb 2025 21:34:56 GMT