"Wed, 19 Jun 2024 21:04:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240619
Only TIME
21:04:10
General datetime
2024-06-19 21:04:10Z
For Database
2024-06-19 21:04:10
For HTTP1.1
Wed, 19 Jun 2024 21:04:10 GMT