"Thu, 20 Jun 2024 05:21:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
05:21:55
General datetime
2024-06-20 05:21:55Z
For Database
2024-06-20 05:21:55
For HTTP1.1
Thu, 20 Jun 2024 05:21:55 GMT