"Sun, 23 Jun 2024 16:05:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
16:05:37
General datetime
2024-06-23 16:05:37Z
For Database
2024-06-23 16:05:37
For HTTP1.1
Sun, 23 Jun 2024 16:05:37 GMT