I've built a small time tracking application which records how long we spend working on a project. We can choose to submit the time to our webserver where it's allocated against a chosen project. (it saves us having to log into the site all the time).
We like to round time up to the nearest 15 minutes. so 0:37 would become 0:45. The system works with seconds in the background, so what I'm looking for is a way to round the number of seconds up so that it's divisible by 900 (15 minutes).
Can anyone help?
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