"Sun, 19 May 2024 19:59:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
19:59:53
General datetime
2024-05-19 19:59:53Z
For Database
2024-05-19 19:59:53
For HTTP1.1
Sun, 19 May 2024 19:59:53 GMT