"Thu, 20 Jun 2024 15:08:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
15:08:15
General datetime
2024-06-20 15:08:15Z
For Database
2024-06-20 15:08:15
For HTTP1.1
Thu, 20 Jun 2024 15:08:15 GMT