john9210 0 Posted June 2, 2020 Share Posted June 2, 2020 A simple problem: I want to add a number to a time and get the end time to express AM or PM. For example: Start time = 10:00AM Duration = 3 hours End time = should be 1:00PM I can't figure out how to make this work. Link to post Share on other sites
rwoods 29 Posted June 2, 2020 Share Posted June 2, 2020 Hi John Filemaker stores times as seconds from the programmers point of view, so you can just add a number of seconds and FM will do the arithmetic correctly. 3 hours = 10,800 seconds So 10:00AM + 10800 = 1:00PM newTimeField = oldTimeField + 10800 Link to post Share on other sites
john9210 0 Posted June 2, 2020 Author Share Posted June 2, 2020 I finally figured it out. the end time field must be formatted as Short System Time in Inspector. I never knew what that was for before. Link to post Share on other sites
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