"Wed, 19 Jun 2024 21:21:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240619
Only TIME
21:21:48
General datetime
2024-06-19 21:21:48Z
For Database
2024-06-19 21:21:48
For HTTP1.1
Wed, 19 Jun 2024 21:21:48 GMT