"Thu, 27 Jun 2024 18:55:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240627
Only TIME
18:55:18
General datetime
2024-06-27 18:55:18Z
For Database
2024-06-27 18:55:18
For HTTP1.1
Thu, 27 Jun 2024 18:55:18 GMT