"Sat, 11 Jan 2025 21:55:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250111
Only TIME
21:55:44
General datetime
2025-01-11 21:55:44Z
For Database
2025-01-11 21:55:44
For HTTP1.1
Sat, 11 Jan 2025 21:55:44 GMT