"Wed, 19 Jun 2024 13:40:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240619
Only TIME
13:40:47
General datetime
2024-06-19 13:40:47Z
For Database
2024-06-19 13:40:47
For HTTP1.1
Wed, 19 Jun 2024 13:40:47 GMT