"Tue, 24 Sep 2024 15:15:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240924
Only TIME
15:15:45
General datetime
2024-09-24 15:15:45Z
For Database
2024-09-24 15:15:45
For HTTP1.1
Tue, 24 Sep 2024 15:15:45 GMT