"Sat, 23 Mar 2024 08:53:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240323
Only TIME
08:53:45
General datetime
2024-03-23 08:53:45Z
For Database
2024-03-23 08:53:45
For HTTP1.1
Sat, 23 Mar 2024 08:53:45 GMT