"Sun, 16 Jun 2024 16:09:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
16:09:41
General datetime
2024-06-16 16:09:41Z
For Database
2024-06-16 16:09:41
For HTTP1.1
Sun, 16 Jun 2024 16:09:41 GMT