"Sun, 26 May 2024 18:35:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240526
Only TIME
18:35:34
General datetime
2024-05-26 18:35:34Z
For Database
2024-05-26 18:35:34
For HTTP1.1
Sun, 26 May 2024 18:35:34 GMT