"Mon, 21 Oct 2024 18:38:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
18:38:57
General datetime
2024-10-21 18:38:57Z
For Database
2024-10-21 18:38:57
For HTTP1.1
Mon, 21 Oct 2024 18:38:57 GMT