"Fri, 21 Jun 2024 18:14:28"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
18:14:28
General datetime
2024-06-21 18:14:28Z
For Database
2024-06-21 18:14:28
For HTTP1.1
Fri, 21 Jun 2024 18:14:28 GMT