"Sat, 11 Jan 2025 21:47:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250111
Only TIME
21:47:03
General datetime
2025-01-11 21:47:03Z
For Database
2025-01-11 21:47:03
For HTTP1.1
Sat, 11 Jan 2025 21:47:03 GMT