"Sat, 14 Sep 2024 09:31:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
09:31:16
General datetime
2024-09-14 09:31:16Z
For Database
2024-09-14 09:31:16
For HTTP1.1
Sat, 14 Sep 2024 09:31:16 GMT