"Thu, 20 Jun 2024 15:45:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
15:45:04
General datetime
2024-06-20 15:45:04Z
For Database
2024-06-20 15:45:04
For HTTP1.1
Thu, 20 Jun 2024 15:45:04 GMT