"Mon, 13 May 2024 12:50:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240513
Only TIME
12:50:06
General datetime
2024-05-13 12:50:06Z
For Database
2024-05-13 12:50:06
For HTTP1.1
Mon, 13 May 2024 12:50:06 GMT