Recurring lunar date

Lunar birthday calculator: dates for 2028–2050

Find your Chinese lunar birthday, then check Gregorian occurrences across 2028–2050. 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 2028

Lunar month 7 · day 13

十三

Calculate Chinese age on another date →

Next occurrence

718 days from today

1 September 2028

in the 2028 lunar year

Expected-date preview · 1 September 2028

The calendar layers of your birth date

Yang Earth Monkey · 戊申 · lunar year 2028

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

Monkey

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

Year stem · phase & polarity

Yang Earth

· . Monkey itself has fixed Metal.

Day pillar

Yin Earth Ox

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

Explore the day stem →

Lunar month

Month 7 · day 13

十三. Lunar months contain 29 or 30 days.

Moon phases around this date →
All 23 lunar years · date table
Gregorian date of this lunar birthday, by lunar year
Lunar yearGregorian dateDay animal & notes
20281 September 2028

Friday · Yin Earth Ox

202922 August 2029

Wednesday · Yang Wood Monkey

203011 August 2030

Sunday · Yang Earth Tiger

203130 August 2031

Saturday · Yang Water Tiger

203218 August 2032

Wednesday · Yang Fire Monkey

20337 August 2033

Sunday · Yang Metal Tiger

203426 August 2034

Saturday · Yang Wood Tiger

203516 August 2035

Thursday · Yin Earth Rooster

20363 September 2036

Wednesday · Yin Water Rooster

203723 August 2037

Sunday · Yin Fire Rabbit

203813 August 2038

Friday · Yang Water Dog

20391 September 2039

Thursday · Yang Fire Dog

204020 August 2040

Monday · Yang Metal Dragon

20419 August 2041

Friday · Yang Wood Dog

204228 August 2042

Thursday · Yang Earth Dog

204317 August 2043

Monday · Yang Water Dragon

20446 August 2044

Saturday · Yin Fire Pig

Also a leap lunar month 7 this year; the regular month is used.
204525 August 2045

Friday · Yin Metal Pig

204614 August 2046

Tuesday · Yin Wood Snake

20472 September 2047

Monday · Yin Earth Snake

204822 August 2048

Saturday · Yang Wood Rat

204911 August 2049

Wednesday · Yang Earth Horse

205029 August 2050

Monday · Yin Metal Snake

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 · September 2028
SundaySunMondayMonTuesdayTueWednesdayWedThursdayThuFridayFriSaturdaySat
TodaySelectedFestivalMoon phaseSolar term

Read the selected day →

Selected day · calendar reading

1 September 2028 selected. Reading updated.

1

Friday

Chinese lunar date

Month 7 · day 13 · 2028

二〇二八年七月十三

Your exact lunar birthday

The lunar month, day and leap status all match the birth record.

Birth-year animal & element

Yang Earth Monkey

Day pillar

Yin Earth Ox

己丑

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 2028, is lunar 2028, month 7, day 13.

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 2028. 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.