"Mon, 03 Feb 2025 13:42:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250203
Only TIME
13:42:45
General datetime
2025-02-03 13:42:45Z
For Database
2025-02-03 13:42:45
For HTTP1.1
Mon, 03 Feb 2025 13:42:45 GMT