"Sat, 22 Jun 2024 21:16:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240622
Only TIME
21:16:18
General datetime
2024-06-22 21:16:18Z
For Database
2024-06-22 21:16:18
For HTTP1.1
Sat, 22 Jun 2024 21:16:18 GMT