Astronomical Overview
Vietnam Standard Meridian UTC+7
December 2031 spans 31 Gregorian days, beginning on Monday (December 1, corresponding to Lunar 17/10 of Xin Hai (Pig)) and concluding on Wednesday (December 31, Lunar 18/11). Under the official Vietnamese UTC+7 standard, December 2031 features 12 Auspicious Days (Yellow Path), highlighted on Gregorian days 1, 3, 4, 9, 10, 12, 14, 15, 17, 22. Click any date in the calendar grid or detailed ephemeris table below to inspect its twelve double-hours, Solar Term longitude, and Flying Star Feng Shui chart.
December 2031 Monthly Grid
Day-by-Day Almanac Ephemeris (12/2031)
| Gregorian | Weekday | Lunar (UTC+7) | Day Pillar & NaYin | Officer & Mansion | Assessment |
|---|---|---|---|---|---|
| 01/12/2031 | Monday | 17/10 | Yi Hai · Mountain-Top Fire (Shan Tou Huo) | Establish (Jian) · Extended Net (Zhang) | Auspicious Day (Yellow Path) |
| 02/12/2031 | Tuesday | 18/10 | Bing Zi · Stream-Beneath Water (Jian Xia Shui) | Remove (Chu) · Wings (Yi) | Caution Day (Avoid Major Undertakings) |
| 03/12/2031 | Wednesday | 19/10 | Ding Chou · Stream-Beneath Water (Jian Xia Shui) | Full (Man) · Chariot (Zhen) | Auspicious Day (Yellow Path) |
| 04/12/2031 | Thursday | 20/10 | Wu Yin · City-Wall Earth (Cheng Tou Tu) | Balance (Ping) · Horn (Jiao) | Auspicious Day (Yellow Path) |
| 05/12/2031 | Friday | 21/10 | Ji Mao · City-Wall Earth (Cheng Tou Tu) | Stable (Ding) · Neck (Kang) | Caution Day (Avoid Major Undertakings) |
| 06/12/2031 | Saturday | 22/10 | Geng Chen · White Wax Metal (Bai La Jin) | Initiate (Zhi) · Root (Di) | Caution Day (Avoid Major Undertakings) |
| 07/12/2031 | Sunday | 23/10 | Xin Si · White Wax Metal (Bai La Jin) | Destruction (Po) · Room (Fang) | Caution Day (Avoid Major Undertakings) |
| 08/12/2031 | Monday | 24/10 | Ren Wu · Willow Wood (Yang Liu Mu) | Destruction (Po) · Heart (Xin) | Caution Day (Avoid Major Undertakings) |
| 09/12/2031 | Tuesday | 25/10 | Gui Wei · Willow Wood (Yang Liu Mu) | Danger (Wei) · Tail (Wei) | Auspicious Day (Yellow Path) |
| 10/12/2031 | Wednesday | 26/10 | Jia Shen · Spring Fountain Water (Quan Zhong Shui) | Success (Cheng) · Winnowing Basket (Ji) | Auspicious Day (Yellow Path) |
| 11/12/2031 | Thursday | 27/10 | Yi You · Spring Fountain Water (Quan Zhong Shui) | Receive (Shou) · Southern Dipper (Dou) | Caution Day (Avoid Major Undertakings) |
| 12/12/2031 | Friday | 28/10 | Bing Xu · Rooftop Earth (Wu Shang Tu) | Open (Kai) · Ox (Niu) | Auspicious Day (Yellow Path) |
| 13/12/2031 | Saturday | 29/10 | Ding Hai · Rooftop Earth (Wu Shang Tu) | Close (Bi) · Girl (Nu) | Caution Day (Avoid Major Undertakings) |
| 14/12/2031 | Sunday | 01/11 | Wu Zi · Thunderbolt Fire (Pi Li Huo) | Establish (Jian) · Emptiness (Xu) | Auspicious Day (Yellow Path) |
| 15/12/2031 | Monday | 02/11 | Ji Chou · Thunderbolt Fire (Pi Li Huo) | Remove (Chu) · Rooftop (Wei) | Auspicious Day (Yellow Path) |
| 16/12/2031 | Tuesday | 03/11 | Geng Yin · Pine and Cypress Wood (Song Bai Mu) | Full (Man) · Encampment (Shi) | Caution Day (Avoid Major Undertakings) |
| 17/12/2031 | Wednesday | 04/11 | Xin Mao · Pine and Cypress Wood (Song Bai Mu) | Balance (Ping) · Wall (Bi) | Auspicious Day (Yellow Path) |
| 18/12/2031 | Thursday | 05/11 | Ren Chen · Long-Flowing Water (Chang Liu Shui) | Stable (Ding) · Legs (Kui) | Caution Day (Avoid Major Undertakings) |
| 19/12/2031 | Friday | 06/11 | Gui Si · Long-Flowing Water (Chang Liu Shui) | Initiate (Zhi) · Bond (Lou) | Balanced Day (Select Auspicious Hours) |
| 20/12/2031 | Saturday | 07/11 | Jia Wu · Sand Metal (Sha Zhong Jin) | Destruction (Po) · Stomach (Wei) | Balanced Day (Select Auspicious Hours) |
| 21/12/2031 | Sunday | 08/11 | Yi Wei · Sand Metal (Sha Zhong Jin) | Danger (Wei) · Hairy Head (Mao) | Caution Day (Avoid Major Undertakings) |
| 22/12/2031 | Monday | 09/11 | Bing Shen · Mountain-Foot Fire (Shan Xia Huo) | Success (Cheng) · Net (Bi) | Auspicious Day (Yellow Path) |
| 23/12/2031 | Tuesday | 10/11 | Ding You · Mountain-Foot Fire (Shan Xia Huo) | Receive (Shou) · Turtle Beak (Zui) | Balanced Day (Select Auspicious Hours) |
| 24/12/2031 | Wednesday | 11/11 | Wu Xu · Flatland Wood (Ping Di Mu) | Open (Kai) · Three Stars (Shen) | Auspicious Day (Yellow Path) |
| 25/12/2031 | Thursday | 12/11 | Ji Hai · Flatland Wood (Ping Di Mu) | Close (Bi) · Well (Jing) | Caution Day (Avoid Major Undertakings) |
| 26/12/2031 | Friday | 13/11 | Geng Zi · Wall-Plaster Earth (Bi Shang Tu) | Establish (Jian) · Ghost (Gui) | Balanced Day (Select Auspicious Hours) |
| 27/12/2031 | Saturday | 14/11 | Xin Chou · Wall-Plaster Earth (Bi Shang Tu) | Remove (Chu) · Willow (Liu) | Balanced Day (Select Auspicious Hours) |
| 28/12/2031 | Sunday | 15/11 | Ren Yin · Gold Foil Metal (Jin Bo Jin) | Full (Man) · Star (Xing) | Caution Day (Avoid Major Undertakings) |
| 29/12/2031 | Monday | 16/11 | Gui Mao · Gold Foil Metal (Jin Bo Jin) | Balance (Ping) · Extended Net (Zhang) | Auspicious Day (Yellow Path) |
| 30/12/2031 | Tuesday | 17/11 | Jia Chen · Lamp Flame Fire (Fu Deng Huo) | Stable (Ding) · Wings (Yi) | Caution Day (Avoid Major Undertakings) |
| 31/12/2031 | Wednesday | 18/11 | Yi Si · Lamp Flame Fire (Fu Deng Huo) | Initiate (Zhi) · Chariot (Zhen) | Caution Day (Avoid Major Undertakings) |