"Sun, 16 Jun 2024 13:06:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
13:06:17
General datetime
2024-06-16 13:06:17Z
For Database
2024-06-16 13:06:17
For HTTP1.1
Sun, 16 Jun 2024 13:06:17 GMT