"Sun, 23 Jun 2024 19:31:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
19:31:48
General datetime
2024-06-23 19:31:48Z
For Database
2024-06-23 19:31:48
For HTTP1.1
Sun, 23 Jun 2024 19:31:48 GMT