"Fri, 06 Sep 2024 09:15:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240906
Only TIME
09:15:15
General datetime
2024-09-06 09:15:15Z
For Database
2024-09-06 09:15:15
For HTTP1.1
Fri, 06 Sep 2024 09:15:15 GMT