"Tue, 18 Feb 2025 05:39:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250218
Only TIME
05:39:04
General datetime
2025-02-18 05:39:04Z
For Database
2025-02-18 05:39:04
For HTTP1.1
Tue, 18 Feb 2025 05:39:04 GMT