"Sun, 16 Jun 2024 09:25:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
09:25:33
General datetime
2024-06-16 09:25:33Z
For Database
2024-06-16 09:25:33
For HTTP1.1
Sun, 16 Jun 2024 09:25:33 GMT