"Mon, 21 Oct 2024 18:37:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
18:37:52
General datetime
2024-10-21 18:37:52Z
For Database
2024-10-21 18:37:52
For HTTP1.1
Mon, 21 Oct 2024 18:37:52 GMT