"Sat, 14 Sep 2024 23:15:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
23:15:33
General datetime
2024-09-14 23:15:33Z
For Database
2024-09-14 23:15:33
For HTTP1.1
Sat, 14 Sep 2024 23:15:33 GMT