"Mon, 16 Sep 2024 12:39:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
12:39:15
General datetime
2024-09-16 12:39:15Z
For Database
2024-09-16 12:39:15
For HTTP1.1
Mon, 16 Sep 2024 12:39:15 GMT