"Mon, 29 Apr 2024 20:00:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240429
Only TIME
20:00:23
General datetime
2024-04-29 20:00:23Z
For Database
2024-04-29 20:00:23
For HTTP1.1
Mon, 29 Apr 2024 20:00:23 GMT