"Thu, 20 Jun 2024 15:33:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
15:33:43
General datetime
2024-06-20 15:33:43Z
For Database
2024-06-20 15:33:43
For HTTP1.1
Thu, 20 Jun 2024 15:33:43 GMT