"Fri, 21 Jun 2024 10:52:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
10:52:18
General datetime
2024-06-21 10:52:18Z
For Database
2024-06-21 10:52:18
For HTTP1.1
Fri, 21 Jun 2024 10:52:18 GMT