Daily calendar conversion
Chinese calendar, 18 September 2040
18 September 2040 is lunar month 8, day 13, 2040, the Metal Monkey year. The day pillar is Yin Earth Rooster. 2 named Yi activities; 6 named Ji activities. 6 auspicious time windows; waxing gibbous.
Tuesday
September 2040
Lunar date
8th Month · 13th Day
二〇四〇年八月十三
Year of the
Metal is both the year element and the Monkey’s fixed element, so this pairing reinforces Metal.
Moon phase
Lunar day 13 · between principal phases
Daily almanac · 2040-09-18
The daily almanac & observances
己酉 Yin Earth Rooster
The stem gives Earth; the branch gives Rooster.
Read this stem against your Day Master →Huang Dao and Hei Dao name the day-god cycle. For a particular plan, read its Yi and Ji activities below.
宜 Traditionally suitable
忌 Traditionally avoid
- Hold a wedding嫁娶
- Move into a new home入宅
- Build or renovate修造
- Begin construction earthworks动土
- Meet relatives and friends会亲友
- Begin burial excavation破土
Month 8 · 30 days
6 September 2040–5 October 2040. 17 days remain after this date.
Follow the Moon through this month →Mid-Autumn Festival
20 September 2040 · 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 2040 moon phases
New moon
Lunar 8/1
First quarter
Lunar 8/9
Full moon
Lunar 8/16
Last quarter
Lunar 8/23
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 18 September 2040
Select a day to update its quick overview. Today, the selected date and festivals have separate markers.
| SunSunday | MonMonday | TueTuesday | WedWednesday | ThuThursday | FriFriday | SatSaturday |
|---|---|---|---|---|---|---|
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 Rooster · 己酉— 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.
- Yin Metal · Xīn 辛 (primary)
- 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
- Great Post-road Earth · 大驿土— a fixed named element assigned to this pillar; its element is Earth.
- Day animal 生肖
- Rooster · 鸡— the animal of the earthly branch in this date’s pillar.
- Opposes 冲
- Yin Water Rabbit · 癸卯— a Six Clash (六冲), the branch directly opposite this date’s branch in the 12-branch cycle.
- Lunar mansion 宿
- Turtle Beak · 觜— this date’s position in the repeating 28-mansion cycle.West palace (西) · Monkey creature (猴) · traditionally unfavourable (凶)
- Day officer 建除
- Establish · 建— 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)
- 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 receiving guests, saying drunken disorder may follow.酉不会客醉坐颠狂Two traditional almanac caution lines selected by this date’s stem and branch.
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18 September 2040 corresponds to lunar year 2040, month 8, day 13, 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.