Automatically calculate the days remaining until Sun Yat-sen's birthday on November 12.
Sun Yat-sen (November 12, 1866 – March 12, 1925) was a Chinese politician, physician, and political philosopher who served as the first provisional president of the Republic of China.
Sun Yat-sen is referred to as the 'Father of the Nation' in the Republic of China due to his instrumental role in the overthrow of the Qing dynasty during the Xinhai Revolution. Sun was the first provisional president of the Republic of China and the first leader of the Kuomintang (Nationalist Party of China).

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As the anniversary of Sun Yat-sen's birthday on November 12 approaches each year, people often need to quickly check the remaining days to schedule commemorative events. This tool calculates the real-time difference between the current date and the fixed target date (November 12 on the Gregorian calendar) to accurately output the remaining full days. Sun Yat-sen's birthday is a crucial milestone in modern Chinese history, specifically marking the birth of this pioneer of the democratic revolution on November 12, 1866.
Is Sun Yat-sen's birthday on November 12 or November 21?
It is confirmed to be November 12. This tool has corrected the date errors of earlier versions and now strictly calculates based on historical facts.
What if the countdown shows negative days?
Once the current year's November 12 has passed, the tool automatically jumps to calculate the date for the following year, ensuring a positive countdown at all times.
The result is accurate to full days and does not account for time zone differences. We recommend refreshing the page at midnight (0:00) to get the latest data. For planning commemorative events, please refer to the official memorial plans published by local authorities.
If you need to embed this tool on your website, you can trigger a redirect to a special memorial page by monitoring the day-zero event at 0:00 on November 12 each year. Typical scenario: When it displays "Days until Sun Yat-sen's birthday: 0 days," it can trigger a banner alert stating "Today is the anniversary of Sun Yat-sen's birthday."