"Mon, 24 Feb 2025 19:25:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250224
Only TIME
19:25:42
General datetime
2025-02-24 19:25:42Z
For Database
2025-02-24 19:25:42
For HTTP1.1
Mon, 24 Feb 2025 19:25:42 GMT