Recurring lunar date

Lunar birthday calculator: dates for 2030–2050

Find your Chinese lunar birthday, then check Gregorian occurrences across 2030–2050. The look-ahead covers up to 30 lunar years, capped at supported dates in 2050; a birthday need not occur in every year.

Gregorian dates from 1901-01-01 to 2050-12-31.

Your calendar identity

1 September 2030

Lunar month 8 · day 4

初四

Calculate Chinese age on another date →

Next occurrence

1447 days from today

1 September 2030

in the 2030 lunar year

Expected-date preview · 1 September 2030

The calendar layers of your birth date

Yang Metal Dog · 庚戌 · lunar year 2030

This is the sign for the selected date. Recheck using the actual birth date, especially if it falls on the other side of Chinese New Year.

Year animal

Dog

· . The lunar-year animal changes at Chinese New Year.

Year stem · phase & polarity

Yang Metal

Gēng · . Dog itself has fixed Earth.

Day pillar

Yin Earth Pig

己亥 · The day label follows its own sixty-day sequence.

Explore the day stem →

Lunar month

Month 8 · day 4

初四. Lunar months contain 29 or 30 days.

Moon phases around this date →
All 21 lunar years · date table
Gregorian date of this lunar birthday, by lunar year
Lunar yearGregorian dateDay animal & notes
20301 September 2030

Sunday · Yin Earth Pig

203120 September 2031

Saturday · Yin Water Pig

20328 September 2032

Wednesday · Yin Fire Snake

203328 August 2033

Sunday · Yin Metal Pig

203416 September 2034

Saturday · Yin Wood Pig

20355 September 2035

Wednesday · Yin Earth Snake

203623 September 2036

Tuesday · Yin Water Snake

203713 September 2037

Sunday · Yang Earth Rat

20382 September 2038

Thursday · Yang Water Horse

203921 September 2039

Wednesday · Yang Fire Horse

20409 September 2040

Sunday · Yang Metal Rat

204130 August 2041

Friday · Yin Wood Goat

204217 September 2042

Wednesday · Yang Earth Horse

20436 September 2043

Sunday · Yang Water Rat

204424 September 2044

Saturday · Yang Fire Rat

204514 September 2045

Thursday · Yin Metal Goat

20464 September 2046

Tuesday · Yang Fire Tiger

204723 September 2047

Monday · Yang Metal Tiger

204811 September 2048

Friday · Yang Wood Monkey

204931 August 2049

Tuesday · Yang Earth Tiger

205019 September 2050

Monday · Yang Water Tiger

Choose a day · read it here

Your lunar birthday in the calendar

The exact lunar birthday is marked in its surrounding month. Browse other years or select a nearby day; no substitute date is chosen for an absent birthday.

Swipe across the calendar to see every day. Select a date for its reading.

Your lunar birthday in the calendar · December 2048
SundaySunMondayMonTuesdayTueWednesdayWedThursdayThuFridayFriSaturdaySat
TodaySelectedFestivalMoon phaseSolar term

Read the selected day →

Selected day · calendar reading

1 December 2048 selected. Reading updated.

1

Tuesday

Chinese lunar date

Month 10 · day 26 · 2048

二〇四八年十月廿六

Not your lunar birthday

This is a nearby calendar date. Your birthday marker appears only where all three parts match.

Birth-year animal & element

Yang Earth Dragon

Day pillar

Yin Wood Snake

乙巳

Open the full date →Explore this day in my personal calendar →

From a birth record to an annual date

What is a lunar birthday?

A lunar birthday repeats the month and day recorded in the Chinese calendar, rather than the month and day printed on a Gregorian birth certificate. Both describe the original birth; they produce different anniversary dates in later years.

First, convert the birth date

The finder locates the original day in its lunar year, numbered month and regular or leap occurrence. That full identity is what the yearly search preserves.

Your date, 1 September 2030, is lunar 2030, month 8, day 4.

Then, find its next occurrence

For each later lunar year, the finder selects the same month, leap status and day, then converts it back to Gregorian. “Next occurrence” is the first matching date on or after today.

Your next date is 1 September 2030. See the surrounding month →

Keep the original record

If your family record already gives a lunar birthday, check whether it includes 闰, the leap-month marker. Leaving that marker out can select a different month and produce a different Gregorian date.

Convert a recorded lunar birthday →

Two ways of counting age

A birthday and an age increment are not the same

Completed Gregorian years

This age counts completed years since the Gregorian birthday. A person begins at zero and gains a year on that anniversary.

Nominal age · 虚岁

In the convention shown here, a person is one sui at birth and gains a year at Chinese New Year. The calculation is current lunar year minus birth lunar year, plus one—not simply Gregorian age plus one in every case.

A child born shortly before Chinese New Year can become two sui within days. This reflects the counting convention, not two completed years of life.

Reading the exceptions

Why a row may have no birthday date

A short lunar month

A month of 29 days has no day 30. The finder reports that absence; it does not quietly replace a thirtieth-day birthday with day 29.

An absent leap month

A leap-month birthday repeats exactly only when the same numbered leap month occurs again. A regular month of the same number remains a different occurrence.

The publication boundary

A lunar date can exist while its Gregorian equivalent falls beyond the published calendar. That is labelled outside the available range, not described as a missing birthday.

Lunisolar movement

Why the date moves

The lunar day stays the same; its Gregorian position changes with the rhythm of lunar months and leap months.

The Chinese calendar is lunisolar: months follow the moon and run 29 or 30 days, while a leap month is inserted about every third year to keep the year aligned with the seasons. A lunar date therefore drifts against the Gregorian calendar, usually falling eleven days earlier than the previous year before a leap month pushes it forward again.

Two consequences matter for a birthday. A date on the 30th of a month does not exist in years where that month is short. And a birthday inside a leap month recurs only when the same leap month recurs, which is irregular — sometimes decades apart.

The table marks both cases explicitly. The same conversion is available for any date in the date converter.

Family practice

When a lunar date is absent

A 30th day can disappear in a short month, and a leap-month birthday can be absent for many years. Families handle those cases differently; the table keeps the exact calendar pattern visible so you can follow the custom that matters to you.