"Mon, 15 Jul 2024 15:49:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
15:49:30
General datetime
2024-07-15 15:49:30Z
For Database
2024-07-15 15:49:30
For HTTP1.1
Mon, 15 Jul 2024 15:49:30 GMT