"Mon, 09 Sep 2024 16:45:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
16:45:21
General datetime
2024-09-09 16:45:21Z
For Database
2024-09-09 16:45:21
For HTTP1.1
Mon, 09 Sep 2024 16:45:21 GMT