"Wed, 19 Jun 2024 18:38:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240619
Only TIME
18:38:13
General datetime
2024-06-19 18:38:13Z
For Database
2024-06-19 18:38:13
For HTTP1.1
Wed, 19 Jun 2024 18:38:13 GMT