"Sun, 23 Jun 2024 06:18:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
06:18:45
General datetime
2024-06-23 06:18:45Z
For Database
2024-06-23 06:18:45
For HTTP1.1
Sun, 23 Jun 2024 06:18:45 GMT