"Mon, 17 Jun 2024 11:00:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
11:00:00
General datetime
2024-06-17 11:00:00Z
For Database
2024-06-17 11:00:00
For HTTP1.1
Mon, 17 Jun 2024 11:00:00 GMT