"Sat, 14 Sep 2024 09:48:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
09:48:16
General datetime
2024-09-14 09:48:16Z
For Database
2024-09-14 09:48:16
For HTTP1.1
Sat, 14 Sep 2024 09:48:16 GMT