"Thu, 20 Jun 2024 16:35:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
16:35:40
General datetime
2024-06-20 16:35:40Z
For Database
2024-06-20 16:35:40
For HTTP1.1
Thu, 20 Jun 2024 16:35:40 GMT