"Sat, 11 Jan 2025 14:42:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250111
Only TIME
14:42:42
General datetime
2025-01-11 14:42:42Z
For Database
2025-01-11 14:42:42
For HTTP1.1
Sat, 11 Jan 2025 14:42:42 GMT