"Wed, 19 Jun 2024 23:45:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240619
Only TIME
23:45:21
General datetime
2024-06-19 23:45:21Z
For Database
2024-06-19 23:45:21
For HTTP1.1
Wed, 19 Jun 2024 23:45:21 GMT