"Thu, 20 Jun 2024 16:39:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
16:39:30
General datetime
2024-06-20 16:39:30Z
For Database
2024-06-20 16:39:30
For HTTP1.1
Thu, 20 Jun 2024 16:39:30 GMT