"Thu, 27 Jun 2024 19:39:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240627
Only TIME
19:39:20
General datetime
2024-06-27 19:39:20Z
For Database
2024-06-27 19:39:20
For HTTP1.1
Thu, 27 Jun 2024 19:39:20 GMT