"Mon, 21 Oct 2024 03:48:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
03:48:05
General datetime
2024-10-21 03:48:05Z
For Database
2024-10-21 03:48:05
For HTTP1.1
Mon, 21 Oct 2024 03:48:05 GMT