"Mon, 17 Feb 2025 03:37:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250217
Only TIME
03:37:21
General datetime
2025-02-17 03:37:21Z
For Database
2025-02-17 03:37:21
For HTTP1.1
Mon, 17 Feb 2025 03:37:21 GMT