"Mon, 02 Dec 2024 09:15:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241202
Only TIME
09:15:21
General datetime
2024-12-02 09:15:21Z
For Database
2024-12-02 09:15:21
For HTTP1.1
Mon, 02 Dec 2024 09:15:21 GMT