"Sun, 23 Jun 2024 16:14:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
16:14:39
General datetime
2024-06-23 16:14:39Z
For Database
2024-06-23 16:14:39
For HTTP1.1
Sun, 23 Jun 2024 16:14:39 GMT