"Sat, 11 Jan 2025 05:37:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250111
Only TIME
05:37:20
General datetime
2025-01-11 05:37:20Z
For Database
2025-01-11 05:37:20
For HTTP1.1
Sat, 11 Jan 2025 05:37:20 GMT