"Mon, 03 Jun 2024 18:05:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
18:05:00
General datetime
2024-06-03 18:05:00Z
For Database
2024-06-03 18:05:00
For HTTP1.1
Mon, 03 Jun 2024 18:05:00 GMT