"Sat, 14 Sep 2024 14:21:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
14:21:42
General datetime
2024-09-14 14:21:42Z
For Database
2024-09-14 14:21:42
For HTTP1.1
Sat, 14 Sep 2024 14:21:42 GMT