"Wed, 19 Jun 2024 18:42:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240619
Only TIME
18:42:33
General datetime
2024-06-19 18:42:33Z
For Database
2024-06-19 18:42:33
For HTTP1.1
Wed, 19 Jun 2024 18:42:33 GMT