"Sat, 15 Feb 2025 05:39:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250215
Only TIME
05:39:41
General datetime
2025-02-15 05:39:41Z
For Database
2025-02-15 05:39:41
For HTTP1.1
Sat, 15 Feb 2025 05:39:41 GMT