"Sat, 11 Jan 2025 21:56:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250111
Only TIME
21:56:01
General datetime
2025-01-11 21:56:01Z
For Database
2025-01-11 21:56:01
For HTTP1.1
Sat, 11 Jan 2025 21:56:01 GMT