"Sat, 14 Sep 2024 11:39:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
11:39:15
General datetime
2024-09-14 11:39:15Z
For Database
2024-09-14 11:39:15
For HTTP1.1
Sat, 14 Sep 2024 11:39:15 GMT