"Sun, 23 Jun 2024 13:48:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
13:48:27
General datetime
2024-06-23 13:48:27Z
For Database
2024-06-23 13:48:27
For HTTP1.1
Sun, 23 Jun 2024 13:48:27 GMT