"Sun, 03 Mar 2024 20:16:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240303
Only TIME
20:16:03
General datetime
2024-03-03 20:16:03Z
For Database
2024-03-03 20:16:03
For HTTP1.1
Sun, 03 Mar 2024 20:16:03 GMT