"Wed, 19 Jun 2024 20:21:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240619
Only TIME
20:21:14
General datetime
2024-06-19 20:21:14Z
For Database
2024-06-19 20:21:14
For HTTP1.1
Wed, 19 Jun 2024 20:21:14 GMT