"Sat, 02 Mar 2024 20:15:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240302
Only TIME
20:15:39
General datetime
2024-03-02 20:15:39Z
For Database
2024-03-02 20:15:39
For HTTP1.1
Sat, 02 Mar 2024 20:15:39 GMT