Hanukkah Countdown
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Hanukkah — the Jewish Festival of Lights — is an eight-day celebration beginning on the 25th of Kislev in the Hebrew calendar. Because the Hebrew calendar is lunisolar, the Gregorian date of Hanukkah shifts significantly each year, falling anywhere between late November and late December. The first candle is lit at nightfall on the start date. This countdown calculates the first night of Hanukkah automatically using a pre-computed date table, displaying exact days, hours, minutes, and seconds remaining.
Hanukkah's shifting date makes it one of the most frequently searched holiday dates each year — Jewish families, gift shoppers, and greeting card planners all need to know exactly when it falls in any given year. It can overlap with Thanksgiving (rare), arrive before Christmas shopping season, or fall just after Christmas depending on the year.
The date moves because the calendar is lunisolar
Hanukkah begins on the 25th of Kislev in the Hebrew calendar, which is fixed in that calendar and moves substantially against the Gregorian one — anywhere from late November to late December. There is no simple Gregorian rule to compute it from.
The Hebrew calendar reconciles lunar months with the solar year by adding a leap month in seven years out of nineteen. That correction is why the drift resets rather than accumulating, and why the date can shift by nearly a month between years.
Days begin at sunset
Hebrew calendar days run from sunset to sunset, so the first night of Hanukkah falls on the evening before the Gregorian date most calendars print. A countdown to midnight on the listed date is counting to something that has already begun.
For the same reason candle lighting times are tied to local sunset rather than to a clock time, and therefore vary by location and by day through the festival.
Eight nights, and the count goes up
One candle is lit on the first night and one more each night, so the eighth night has eight — plus the shamash, the helper candle used to light the others, which is why a menorah has nine holders rather than eight.
That structure makes a countdown to the first night only part of what people want. The nights themselves are the sequence, and the festival is measured forwards from the start rather than backwards to it.
The date is fixed in the Hebrew calendar and moves against the Gregorian one. Candle lighting follows local sunset.
| Element | Detail | Note |
|---|---|---|
| Hebrew date | 25 Kislev | Fixed |
| Gregorian range | Late Nov - late Dec | No simple rule |
| Day begins | At sunset | Not midnight |
| First night | Evening before the printed date | A common confusion |
| Duration | 8 nights | — |
| Candles, night 1 | 1 plus shamash | Nine holders total |
| Candles, night 8 | 8 plus shamash | — |
| Leap month | 7 years in 19 | Resets the drift |
- Hebrew days run sunset to sunset, so the first night falls the evening before the date most Gregorian calendars print.
- Candle lighting is tied to local sunset, so times vary by location and across the eight nights.
Sources
- Hebrew calendar structure and observance details are established definitions; local candle lighting times should be taken from a local source , TheTimerLab — accessed 2026-07-28