"Sat, 08 Jun 2024 20:20:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240608
Only TIME
20:20:18
General datetime
2024-06-08 20:20:18Z
For Database
2024-06-08 20:20:18
For HTTP1.1
Sat, 08 Jun 2024 20:20:18 GMT