"Mon, 16 Sep 2024 12:39:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
12:39:20
General datetime
2024-09-16 12:39:20Z
For Database
2024-09-16 12:39:20
For HTTP1.1
Mon, 16 Sep 2024 12:39:20 GMT