"Mon, 15 Jul 2024 04:40:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
04:40:17
General datetime
2024-07-15 04:40:17Z
For Database
2024-07-15 04:40:17
For HTTP1.1
Mon, 15 Jul 2024 04:40:17 GMT