"Sat, 16 Mar 2024 22:19:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240316
Only TIME
22:19:38
General datetime
2024-03-16 22:19:38Z
For Database
2024-03-16 22:19:38
For HTTP1.1
Sat, 16 Mar 2024 22:19:38 GMT