"Sun, 19 May 2024 14:37:24"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
14:37:24
General datetime
2024-05-19 14:37:24Z
For Database
2024-05-19 14:37:24
For HTTP1.1
Sun, 19 May 2024 14:37:24 GMT