"Sat, 16 Mar 2024 14:09:32"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240316
Only TIME
14:09:32
General datetime
2024-03-16 14:09:32Z
For Database
2024-03-16 14:09:32
For HTTP1.1
Sat, 16 Mar 2024 14:09:32 GMT