"Thu, 27 Jun 2024 23:09:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240627
Only TIME
23:09:48
General datetime
2024-06-27 23:09:48Z
For Database
2024-06-27 23:09:48
For HTTP1.1
Thu, 27 Jun 2024 23:09:48 GMT