"Sun, 19 May 2024 14:58:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
14:58:51
General datetime
2024-05-19 14:58:51Z
For Database
2024-05-19 14:58:51
For HTTP1.1
Sun, 19 May 2024 14:58:51 GMT