"Fri, 21 Jun 2024 18:01:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
18:01:53
General datetime
2024-06-21 18:01:53Z
For Database
2024-06-21 18:01:53
For HTTP1.1
Fri, 21 Jun 2024 18:01:53 GMT