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Calculate the exact countdown to any future date. Supports both Gregorian and Lunar calendars, displaying the remaining weeks, days, hours, minutes, and seconds.
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.
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.
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。
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。
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.
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.
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。
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。
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.
When planning an important event, do you always want to know exactly "how many days are left"? The countdown calculator is designed to solve this exact time-tracking pain point. It accurately calculates the remaining time from the current moment to any future date you set. The core object this tool processes is the "time interval." It compares a future point in time with the current moment, calculates the difference between the two, and presents the result in standard time units such as weeks, days, hours, minutes, and seconds. It supports both Gregorian and Lunar calendar input systems.
Q: Does the countdown calculator support the Lunar calendar?
Yes, it does. You can directly input Lunar dates to calculate countdowns for traditional festivals or birthdays.
Q: How do I calculate how many days are left until the 2025 Lunar New Year?
Switch to Lunar mode in the date picker and select the 1st day of the 1st lunar month in 2025 to get a countdown result accurate to the second.
This tool is primarily used to calculate countdowns for future dates. If you enter a past date, you will not get a positive remaining time. The calculation relies on your device's local time, so please ensure your device's time settings are accurate. The Lunar calendar conversion is based on standard algorithms; for very rare regional custom dates, there may be slight differences, so it is recommended to refer to official calendars.
For time management and project planning, we recommend linking your countdown to specific actions. For example, when calculating that there are 66 days left until "Product Launch Day," you can reverse-plan key milestones like "Complete testing on day 50" and "Complete design review on day 30," turning a macro countdown into actionable milestones. A typical application: entering "2024-12-31 23:59:59" will output the exact countdown to the final second of the year, which is often used for annual reviews or New Year's Eve event reminders.
