"Mon, 01 Jul 2024 16:40:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240701
Only TIME
16:40:04
General datetime
2024-07-01 16:40:04Z
For Database
2024-07-01 16:40:04
For HTTP1.1
Mon, 01 Jul 2024 16:40:04 GMT