Worldwide
Open Data Day
Open data for open government and open society.
Today

When is Open Data Day?
On March 6, 2027, March 4, 2028, March 3, 2029.
Upcoming dates
What is Open Data Day?
Open Data Day is an annual celebration of open data held on the first Saturday of March. People worldwide create events, host workshops, and publish analyses to show the benefits of open data for society, government, and research.
How to celebrate
Mark the day with a poster made in Dayfeed — pick your favourite photo as the background, share it to your story or group chat, and set a reminder so you never miss it next year.
Hashtags
- #OpenDataDay
- #OpenData
- #OpenGovernment
Try it: save this day's poster to your Pinterest board.
This is the Open Data Day poster, made with Dayfeed. Pin it to your board — no app needed.
Save to PinterestIn the Dayfeed app
Never miss a special day
Turn this day into a poster.
100 designs, your photo, ready for Instagram.




