"Sun, 26 May 2024 15:45:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240526
Only TIME
15:45:09
General datetime
2024-05-26 15:45:09Z
For Database
2024-05-26 15:45:09
For HTTP1.1
Sun, 26 May 2024 15:45:09 GMT