"Mon, 21 Oct 2024 23:27:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
23:27:21
General datetime
2024-10-21 23:27:21Z
For Database
2024-10-21 23:27:21
For HTTP1.1
Mon, 21 Oct 2024 23:27:21 GMT