"Mon, 15 Jul 2024 20:42:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
20:42:51
General datetime
2024-07-15 20:42:51Z
For Database
2024-07-15 20:42:51
For HTTP1.1
Mon, 15 Jul 2024 20:42:51 GMT