"Sat, 23 Mar 2024 08:53:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240323
Only TIME
08:53:53
General datetime
2024-03-23 08:53:53Z
For Database
2024-03-23 08:53:53
For HTTP1.1
Sat, 23 Mar 2024 08:53:53 GMT