"Sun, 16 Jun 2024 20:20:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
20:20:45
General datetime
2024-06-16 20:20:45Z
For Database
2024-06-16 20:20:45
For HTTP1.1
Sun, 16 Jun 2024 20:20:45 GMT