"Sat, 23 Mar 2024 22:17:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240323
Only TIME
22:17:38
General datetime
2024-03-23 22:17:38Z
For Database
2024-03-23 22:17:38
For HTTP1.1
Sat, 23 Mar 2024 22:17:38 GMT