"Mon, 10 Feb 2025 08:21:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250210
Only TIME
08:21:15
General datetime
2025-02-10 08:21:15Z
For Database
2025-02-10 08:21:15
For HTTP1.1
Mon, 10 Feb 2025 08:21:15 GMT