"Mon, 29 Apr 2024 09:40:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240429
Only TIME
09:40:56
General datetime
2024-04-29 09:40:56Z
For Database
2024-04-29 09:40:56
For HTTP1.1
Mon, 29 Apr 2024 09:40:56 GMT