When you make/edit a collection project and choose a date/time range for it, you see the date picker when you click in the form: [image] (There’s also a time picker icon, but it’s not prominent and is easily missed, I think. I didn’t see it for years…). Click on a date, and iNat enters the date …

hmmm… this is tricky because the observation date is not always captured in a particular format. i think it can be captured with just a date without time, a date and time with offset, or a date and time with time zone. with that in mind: i think if you filter by just dates in the range, you’ll p…

Collection Project Date Ranges - Improving the date/time picker

General

tiwane May 20, 2026, 10:35pm 5

We made some changes here! There are now date and time choosers that should be easier to use, and start and end times are no longer added by default for date/time ranges. Some screenshots.

iNaturalist Updates for May 2026

Topic		Replies	Views
Actual project observations don't match the preview -- actual excludes a number of eligible observations Bug Reports	4	563	October 9, 2020
No observations showing up in collections project General question , projects	4	359	September 28, 2023
Add "Date Added" range as a requirement option to collection projects Feature Requests web	11	1362	March 25, 2026
Add Collection Project requirement that allows one to include observations based on added-on date Feature Requests	1	161	March 23, 2026
Date Range Glitch in Project Bug Reports question , projects	2	242	November 27, 2022

Collection Project Date Ranges - Improving the date/time picker

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