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Count down to the computed Lidong solar term instant and view the date in your local timezone.
Overview
Understand what the tool solves, how it works, and the boundaries of its data.
Lidong (立冬), often translated as Beginning of Winter, is one of the 24 traditional East Asian solar terms. This page counts down to the computed instant for Lidong in the selected year. It is a calendar and astronomy reference for this named solar term, not a countdown to the North American winter solstice or a forecast of when winter weather will arrive.
The solar terms mark successive positions along the Sun’s apparent path. The Hong Kong Observatory describes 24 equal divisions of the ecliptic, 15 degrees apart; Lidong corresponds to the 225-degree point. Since the event is an instant, its displayed civil date and clock time depend on the time zone. For example, Japan’s National Astronomical Observatory lists the 2026 Lidong event as November 7 at 18:52 Japan time. The countdown page converts its Beijing-time event data to an instant, then formats the date and time for your device’s local time zone.
The live display breaks the remaining interval into days, hours, minutes, and seconds. The page also shows the selected year, local date and time, and a traditional lunar-calendar date label. Those are two different calendar descriptions of the event; the countdown is based on the instant, not on the lunar date label.
Guide
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Open the countdown to see the upcoming Lidong event selected by default. Check the displayed year, date, and time zone abbreviation beside the local time.
Use the year control to inspect another year. When the selected event has passed, the page marks it as passed and offers a control to move to the next year.
Read the countdown as the time remaining to that exact local clock time. The page can also add the selected event to a calendar; check the calendar entry’s time zone before relying on it for travel or a group event.
For instance, “1 day, 3 hours” means 27 hours remain until the target instant; it does not mean the event is three hours after midnight tomorrow.
Use cases
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If you follow the traditional solar-term calendar, check the countdown and add the event to your calendar using your current local time. This helps avoid treating a time listed for China or Japan as if it were already your local date.
When scheduling a Lidong-themed post, class, or gathering, select the intended year and copy the displayed date and time zone along with the event name. Recheck the local time if attendees are in different regions.
Q&A
Find concise answers to common questions and confusing cases.
No. Lidong is the solar term at 225° solar longitude. The winter solstice is a separate solar term later in the year, at 270°. This countdown is specifically for Lidong.
Compare the year and time zone first. The event occurs at one instant, and converting that instant between time zones can put it on the previous or following civil date.
Check your device’s date, clock, and time zone. The countdown compares the event instant with the device’s current time, so an incorrect system clock or time-zone setting can shift the displayed interval or local event time.
Notes
Review scope, result limitations, and important precautions before use.
Lidong is a traditional calendar marker; it does not mean that every location enters meteorological winter or experiences cold weather on that date.
The event time is computed from the solar-term calendar data used by this page and displayed in your device’s local time zone. Astronomical almanacs can differ slightly by calculation conventions or later revisions, so consult the almanac you rely on when an exact official time is required. The lunar date label is for calendar reference and is not the time zone for the countdown.
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