"Mon, 29 Apr 2024 20:00:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240429
Only TIME
20:00:42
General datetime
2024-04-29 20:00:42Z
For Database
2024-04-29 20:00:42
For HTTP1.1
Mon, 29 Apr 2024 20:00:42 GMT