"Mon, 21 Oct 2024 18:51:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
18:51:12
General datetime
2024-10-21 18:51:12Z
For Database
2024-10-21 18:51:12
For HTTP1.1
Mon, 21 Oct 2024 18:51:12 GMT