"Sun, 23 Jun 2024 16:08:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
16:08:48
General datetime
2024-06-23 16:08:48Z
For Database
2024-06-23 16:08:48
For HTTP1.1
Sun, 23 Jun 2024 16:08:48 GMT