Daily calendar conversion

Chinese calendar, 23 September 1980

23 September 1980 is lunar month 8, day 15, 1980, the Metal Monkey year. The day pillar is Yin Earth Pig. 17 named Yi activities; 7 named Ji activities. 7 auspicious time windows; waxing gibbous.

Solar term

Qiūfēn · Autumn Equinox

Since 23 September 1980

23

Tuesday

September 1980

Lunar date

8th Month · 15th Day

一九八〇十五

Year of the

Metal Monkey

Yang Metal Monkey · 庚申

Metal is both the year element and the Monkey’s fixed element, so this pairing reinforces Metal.

Solar term

Qiūfēn · Autumn Equinox

since 23 September 1980

Moon phase

Waxing gibbous

Lunar day 15 · between principal phases

Daily almanac · 1980-09-23

The daily almanac & observances

23 September 1980
Traditional day classification

Inauspicious · Hei Dao

Dark Warrior 玄武 · 黑道

Huang Dao and Hei Dao name the day-god cycle. For a particular plan, read its Yi and Ji activities below.

Inside this lunar month

Month 8 · 30 days

9 September 19808 October 1980. 15 days remain after this date.

Follow the Moon through this month →
Festival & customs on this date

Mid-Autumn Festival · 中秋节

Among Chinese communities in Singapore, families may share mooncakes, pomelo and tea while children carry lanterns, with household practices varying.

The Moon this month · UTC+8

September 1980 moon phases

Read the phase guide →
  1. Last quarter

    Lunar 7/23

  2. New moon

    Lunar 8/1

  3. First quarter

    Lunar 8/9

  4. Full moon

    Lunar 8/16

Calculated phase moments use fixed UTC+8. A lunar day number and a Moon phase describe different things. How they fit together →

The surrounding month

Explore the days around 23 September 1980

Select a day to update its quick overview. Today, the selected date and festivals have separate markers.

Gregorian dates and corresponding Chinese lunar month and day for September 1980
SunMonTueWedThuFriSat
TodaySelectedFestivalMoon phaseSolar term

Each cell shows the Gregorian day above its lunar month/day. Select any day to update the quick overview, then open its full reading for more detail.

Calendar terms explained

This day in the traditional cycles

Each result below names this date’s position and explains what the term means.

Day pillar 日柱
Yin Earth Pig · 己亥— this date’s position in the repeating 60-day stem–branch cycle.Hidden stems are stems conventionally contained in the day pillar’s earthly branch. Primary is the main layer; middle and residual are secondary layers.
  • Yang Water · Rén (primary)
  • Yang Wood · Jiǎ (middle)
Month pillar 月柱
Yin Wood Rooster · 乙酉— the month’s position in the 60-part stem–branch cycle.
Year pillar 年柱
Yang Metal Monkey · 庚申Metal reinforces Metal; the year’s position in the 60-year cycle.
Day Na Yin 纳音
Level-ground Wood · 平地木— a fixed named element assigned to this pillar; its element is Wood.
Day animal 生肖
Pig · — the animal of the earthly branch in this date’s pillar.
Opposes 冲
Yin Water Snake · 癸巳— a Six Clash (六冲), the branch directly opposite this date’s branch in the 12-branch cycle.
Lunar mansion 宿
Tail · — this date’s position in the repeating 28-mansion cycle.East palace () · Tiger creature () · traditionally favourable ()
Day officer 建除
Full · — determined by this date’s earthly branch relative to its solar-term month branch.
Auspicious directions 吉方
  • Joy 喜神: Northeast (东北)
  • Blessing 福神: North (正北)
  • Wealth 财神: North (正北)
Three traditional direction markers determined by this date’s heavenly stem.
Peng Zu lines 彭祖百忌
The verse cautions against handling agreements, saying both parties may lose.己不破券二比并亡The verse cautions against marriage, saying it may disadvantage the groom.亥不嫁娶不利新郎Two traditional almanac caution lines selected by this date’s stem and branch.

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Plan another date

23 September 1980 corresponds to lunar year 1980, month 8, day 15, in the 庚申 year — the Year of the Monkey. You can enter another date in the date converter.

A solar term is one of twenty-four seasonal divisions of the year. The Moon phase follows the astronomical cycle independently of the numbered lunar day.

Looking for a date-selection overview? The almanac guide introduces the calendar’s auspicious-date tools and terminology.

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