"Mon, 03 Feb 2025 02:42:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250203
Only TIME
02:42:04
General datetime
2025-02-03 02:42:04Z
For Database
2025-02-03 02:42:04
For HTTP1.1
Mon, 03 Feb 2025 02:42:04 GMT