Free tool
Travel and time zone pill helper
Quick answer
Enter home and destination time zones and your usual pill time. You get the matching local time, how far you can shift it within your pill's window, and packing tips.
Your answers stay on this device.
Take it at 17:00 local time to stay exactly on schedule
The destination is -4 hours from home. Trust has a 24-hour window, so you can also shift to a more convenient local time, as long as no gap between two pills is longer than 24 hours plus that window. Moving earlier is always safe.
- Keep pills and your prescription in your hand luggage.
- Set your phone reminder to the new local time when you land.
- Vomiting from travel sickness within 2 hours of a pill counts as a missed pill. Missed pill helper
Educational only. Talk to a doctor or pharmacist if unsure.
How it works
Combined pills have a 24-hour margin before a pill counts as missed, lynestrenol progestin-only pills 3 hours and desogestrel 12 hours.[src] Moving your pill time earlier never creates a gap; moving it later must keep the gap inside that margin.
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This guide is for information. Talk to a doctor before starting, stopping or switching birth control.
Sources
- Managing missed pills (Family Planning Handbook), WHO and Johns Hopkins CCP