"Mon, 15 Apr 2024 12:12:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240415
Only TIME
12:12:40
General datetime
2024-04-15 12:12:40Z
For Database
2024-04-15 12:12:40
For HTTP1.1
Mon, 15 Apr 2024 12:12:40 GMT