"Sun, 19 May 2024 10:51:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
10:51:18
General datetime
2024-05-19 10:51:18Z
For Database
2024-05-19 10:51:18
For HTTP1.1
Sun, 19 May 2024 10:51:18 GMT