"Tue, 23 Apr 2024 18:21:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240423
Only TIME
18:21:12
General datetime
2024-04-23 18:21:12Z
For Database
2024-04-23 18:21:12
For HTTP1.1
Tue, 23 Apr 2024 18:21:12 GMT