"Mon, 13 May 2024 16:09:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240513
Only TIME
16:09:00
General datetime
2024-05-13 16:09:00Z
For Database
2024-05-13 16:09:00
For HTTP1.1
Mon, 13 May 2024 16:09:00 GMT