If this tool helped you, you can buy us a coffee ☕
Accurately calculates the remaining days until Air Force Founding Day on November 11, with automatic annual updates.
November 11 is celebrated as the founding day of the People's Liberation Army Air Force (PLAAF).
The PLAAF was officially established on November 11, 1949. It has since grown into a modern air force playing a crucial role in national defense.
Lunar and Solar Calendar Converter
A tool for converting dates between the lunar and solar calendars. It supports lunar leap months and is ideal for looking up holidays, birthdays, or historical dates.
Baby 100 Days Calculator
输入宝宝出生日期，一次查看满月、百日、周岁的公历、农历日期和星期，方便安排庆祝。
Bazi to Gregorian Calendar Converter
公历日期与八字四柱双向转换工具，支持紫微派与子平派子时规则，用于命理推算与历法对照。
Age Calculator
Enter your birth date to instantly calculate your exact age, traditional Chinese age, and total days alive, plus find your Chinese zodiac, horoscope, and lunar birthday.
Lunar and Solar Calendar Converter
A tool for converting dates between the lunar and solar calendars. It supports lunar leap months and is ideal for looking up holidays, birthdays, or historical dates.
Baby 100 Days Calculator
输入宝宝出生日期，一次查看满月、百日、周岁的公历、农历日期和星期，方便安排庆祝。
Bazi to Gregorian Calendar Converter
公历日期与八字四柱双向转换工具，支持紫微派与子平派子时规则，用于命理推算与历法对照。
Age Calculator
Enter your birth date to instantly calculate your exact age, traditional Chinese age, and total days alive, plus find your Chinese zodiac, horoscope, and lunar birthday.
Expiration Date Calculator
Calculate the expiration date based on the production date and shelf life, or check the near-expiry and expired status based on the expiration date.
When you need to know exactly how close the Air Force Founding Day is, this tool automatically calculates the time difference between the current date and November 11 on the Gregorian calendar. It uses the JavaScript Date object for cross-year date calculations, automatically handling complex calendar logic like leap years to ensure the displayed remaining days are always accurate. The countdown days refer to the full calendar days between the current date and the next November 11.
Q: What happens if I visit after November 11?
It will directly display the days remaining until the next year's Founding Day. For example, visiting on December 1 will show 345 days.
Q: Does the tool account for time zone differences?
The calculation is based on your device or the server's local time. For the most accurate results, we recommend ensuring your system time zone is set to UTC+8 (China Standard Time).
This tool is hardcoded to calculate the countdown to November 11 on the Gregorian calendar and does not support custom dates. The accuracy of the results depends on your device's system time. Bulk refreshing may cause browser caching delays; we recommend manually refreshing the page to get the latest data.
For scenarios requiring hour-level precision, we recommend using this alongside a system clock tool. Typical example: Visiting at 23:59 on November 10, 2025, will show "1 day remaining," while visiting at 00:01 on November 11 will show "365 days remaining" (in a non-leap year). Military units can integrate this with digital signage systems for automated display updates.
