"Mon, 17 Feb 2025 05:39:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250217
Only TIME
05:39:02
General datetime
2025-02-17 05:39:02Z
For Database
2025-02-17 05:39:02
For HTTP1.1
Mon, 17 Feb 2025 05:39:02 GMT