"Mon, 21 Oct 2024 05:15:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
05:15:05
General datetime
2024-10-21 05:15:05Z
For Database
2024-10-21 05:15:05
For HTTP1.1
Mon, 21 Oct 2024 05:15:05 GMT