"Sat, 11 Jan 2025 21:35:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250111
Only TIME
21:35:38
General datetime
2025-01-11 21:35:38Z
For Database
2025-01-11 21:35:38
For HTTP1.1
Sat, 11 Jan 2025 21:35:38 GMT