"Sat, 02 Mar 2024 20:15:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240302
Only TIME
20:15:30
General datetime
2024-03-02 20:15:30Z
For Database
2024-03-02 20:15:30
For HTTP1.1
Sat, 02 Mar 2024 20:15:30 GMT