"Sat, 04 Jan 2025 21:56:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
21:56:08
General datetime
2025-01-04 21:56:08Z
For Database
2025-01-04 21:56:08
For HTTP1.1
Sat, 04 Jan 2025 21:56:08 GMT