"Fri, 21 Jun 2024 23:29:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
23:29:06
General datetime
2024-06-21 23:29:06Z
For Database
2024-06-21 23:29:06
For HTTP1.1
Fri, 21 Jun 2024 23:29:06 GMT