"Sun, 23 Jun 2024 15:34:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
15:34:45
General datetime
2024-06-23 15:34:45Z
For Database
2024-06-23 15:34:45
For HTTP1.1
Sun, 23 Jun 2024 15:34:45 GMT