"Mon, 21 Oct 2024 18:38:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
18:38:40
General datetime
2024-10-21 18:38:40Z
For Database
2024-10-21 18:38:40
For HTTP1.1
Mon, 21 Oct 2024 18:38:40 GMT