Sea Day Dates. When is Sea Day in Japan?
Sea Day is a national holiday in Japan. In the table below, you will find when Sea Day is officially marked and celebrated in Japan over a span of 15 years.
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| Year | Day of the Week | Date | Name |
|---|---|---|---|
| 2010 | Monday | July 19 | Sea Day |
| 2011 | Monday | July 18 | Sea Day |
| 2012 | Monday | July 16 | Sea Day |
| 2013 | Monday | July 15 | Sea Day |
| 2014 | Monday | July 21 | Sea Day |
| 2015 | Monday | July 20 | Sea Day |
| 2016 | Monday | July 18 | Sea Day |
| 2017 | Monday | July 17 | Sea Day |
| 2018 | Monday | July 16 | Sea Day |
| 2019 | Monday | July 15 | Sea Day |
| 2020 | Thursday | July 23 | Sea Day |
| 2021 | Thursday | July 22 | Sea Day |
| 2022 | Monday | July 18 | Sea Day |
| 2023 | Monday | July 17 | Sea Day |
| 2024 | Monday | July 15 | Sea Day |
| 2025 | Monday | July 21 | Sea Day |
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.