Qiita Advent Calendar 2025

Highlights

Join the Present Calendar to Win Awesome Prizes!

Among the calendars, there are special ones where you can win prizes from Qiita and our sponsors! Be sure to participate.

View Present Calendars

Join a Calendar and Output Your Knowledge!

From December 1st to the 25th, let's fill up the calendars by posting tech articles together! First, find a calendar you want to post to!

Find a Calendar

How to Participate

Qiita Advent Calendar Tutorial

Watch this video to master how to participate in the Qiita Advent Calendar!

For more details on how to participate, please refer to the help page👍.

1. Find a Calendar to Join
Let's find a calendar you want to join!You can also create a calendar on a topic you like.
Find a Calendar
2. Register to Participate in the Calendar
Let's register to participate on an available date!If there are open slots in the calendar, you can also post to past dates!
3. Link Your Article to the Calendar
Let's link the article you posted to the calendar!Select the date you want to participate in, and enter the article title and URL in the modal that appears, then click the "Participate" button.You can also link exclusive shared articles and schedule them for posting!

Schedule

October 30 (Thu) - November 30 (Sun)

Preparation Period

This is the preparation period for the article posting event starting on December 1st 💪

Let's create a calendar
Decide which calendar and date you want to join, and be sure to register!
It's okay if your article isn't ready yet
Articles made public on or after the start of the preparation period can be registered to a calendar
By registering a limited-release article, you can schedule it to be posted on your registered date

December 01 (Mon) - December 25 (Thu)

Article Posting Event Period

The article posting event starts on December 1st!

If a calendar is full, let's add a new series to participate!
Follow calendars you're interested in to read their articles together in your calendar feed
You can still register and post for a slot even after the date has passed!
Let's check to make sure you've linked your article for the date you registered!
Posts for Present Calendars are eligible until December 31st!

FAQ

I can't link my article to the calendar.

Limited-release articles cannot be linked in the following cases:

・The date is the same as or has passed the date of the calendar slot.

Publicly available articles cannot be linked in the following cases:

・The article was made public before the day preceding October 31, 2025 (the start date of Qiita Advent Calendar 2025).

For details on how to register articles, schedule posts, etc., please see the help page.

When can one article be added to two calendars?

You can link a single article to two calendars if one is an Organization-linked calendar and the other is not.

Please see this help page for more information on linking an Organization.

How do I create or edit calendars, including Organization calendars?

To create a calendar, follow these steps:

1. Click the "Create Calendar" button in the header.
2. Enter the calendar's name, URL, category, description, and optional tags.
- *Note: If you want to create an Organization calendar, select the Organization you want to link.
- *Note: You cannot change a calendar to an Organization calendar after it has been created.
3. Click the "Create Calendar" button to finish!

For Organization calendars, please note the following:

・Only members of the Organization can post articles or add series.
・If an article linked to an Organization calendar is a "scheduled post", the Organization will be automatically linked to the article on the assigned date.

To edit a calendar, follow these steps:

1. Click "Edit" under the title on the calendar page.
2. In the modal that appears, modify the details and click "Update."

*Note: A calendar can only be deleted if there are no participants. To do so, click "Delete Advent Calendar" from the edit modal.

For more details, please see the help page.

How can I turn off Advent Calendar notifications?

You can enable or disable the following notifications related to the Advent Calendar from the notification settings:

・Notifications for when an article is posted to a calendar you follow
・Reminder notifications for calendars you are participating in

For more details, please see the help page.

What are the conditions and announcement dates for the Completion Awards?

The conditions for the Completion Award are as follows:

・This award recognizes individuals who have posted 25 or more articles.
・Only articles posted on Qiita are eligible.
・Posting a total of 25 articles across multiple calendars is also acceptable!

The conditions for the Completion Challenge Award are as follows:

・This award recognizes individuals who have posted between 15 and 24 articles.
・Only articles posted on Qiita are eligible.
・Posting a total of 15 to 24 articles across multiple calendars is also acceptable!

*Note: Final recipients will be selected after the organizers review and examine the submitted content to ensure it does not include articles that violate the community guidelines (such as those with low reusability or versatility for others, mere notes or rough drafts, or those with insufficient verification of accuracy). Please be aware that we cannot respond to inquiries regarding the selection criteria or results.

The winners of each award are scheduled to be announced at the Qiita Advent Calendar Online Meetup (livestream) on Friday, January 16, 2026, after the Advent Calendar period has ended. An article announcing the winners will also be published on the Qiita Blog.

The process from contacting the winners to the shipment of prizes is detailed on the Qiita Blog. Please see the blog for more details.

*Note: other questions, please refer to the help page.

Related Events

October 31 (Fri) 19:00 -