Greenery Day Observed Dates. When is Greenery Day Observed in Japan?
Greenery Day is a national holiday in Japan. In the table below, you will find when Greenery Day Observed is officially marked and celebrated in Japan over a span of 15 years.
All the information displayed below is also available via our API as well as downloadable as a csv. Signup here to get started.
Our API allows you to specify the State and Region as part of the API requests, thereby limiting the requests to a particular state or city. View the API documentation for a full description of the supported countries, states, and regions.
| Year | Day of the Week | Date | Name |
|---|---|---|---|
| 2010 | Tuesday | May 4 | Greenery Day |
| 2011 | Wednesday | May 4 | Greenery Day |
| 2012 | Friday | May 4 | Greenery Day |
| 2013 | Saturday | May 4 | Greenery Day |
| 2014 | Tuesday | May 6 | Greenery Day Observed |
| 2015 | Monday | May 4 | Greenery Day |
| 2016 | Wednesday | May 4 | Greenery Day |
| 2017 | Thursday | May 4 | Greenery Day |
| 2018 | Friday | May 4 | Greenery Day |
| 2019 | Saturday | May 4 | Greenery Day |
| 2020 | Monday | May 4 | Greenery Day |
| 2021 | Tuesday | May 4 | Greenery Day |
| 2022 | Wednesday | May 4 | Greenery Day |
| 2023 | Thursday | May 4 | Greenery Day |
| 2024 | Saturday | May 4 | Greenery Day |
| 2025 | Tuesday | May 6 | Greenery Day Observed |
These dates may be modified as official changes are announced, so please check back regularly for updates or sign up for our newsletter to receive regular updates. All updates are automatically added to our API as well.
Our team of holiday editors are continuously monitoring for changes from government agencies and local authorities to this data to ensure we're providing the most accurate information possible. If you happen to notice an error, please get in touch.