Astronomical Overview
Vietnam Standard Meridian UTC+7
September 2031 spans 30 Gregorian days, beginning on Monday (September 1, corresponding to Lunar 15/7 of Xin Hai (Pig)) and concluding on Tuesday (September 30, Lunar 14/8). Under the official Vietnamese UTC+7 standard, September 2031 features 11 Auspicious Days (Yellow Path), highlighted on Gregorian days 1, 3, 10, 14, 16, 18, 23, 24, 26, 27. 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.
September 2031 Monthly Grid
Day-by-Day Almanac Ephemeris (9/2031)
| Gregorian | Weekday | Lunar (UTC+7) | Day Pillar & NaYin | Officer & Mansion | Assessment |
|---|---|---|---|---|---|
| 01/09/2031 | Monday | 15/07 | Jia Chen · Lamp Flame Fire (Fu Deng Huo) | Success (Cheng) · Net (Bi) | Auspicious Day (Yellow Path) |
| 02/09/2031 | Tuesday | 16/07 | Yi Si · Lamp Flame Fire (Fu Deng Huo) | Receive (Shou) · Turtle Beak (Zui) | Balanced Day (Select Auspicious Hours) |
| 03/09/2031 | Wednesday | 17/07 | Bing Wu · Celestial River Water (Tian He Shui) | Open (Kai) · Three Stars (Shen) | Auspicious Day (Yellow Path) |
| 04/09/2031 | Thursday | 18/07 | Ding Wei · Celestial River Water (Tian He Shui) | Close (Bi) · Well (Jing) | Balanced Day (Select Auspicious Hours) |
| 05/09/2031 | Friday | 19/07 | Wu Shen · Great Marsh Earth (Da Ze Tu) | Establish (Jian) · Ghost (Gui) | Caution Day (Avoid Major Undertakings) |
| 06/09/2031 | Saturday | 20/07 | Ji You · Great Marsh Earth (Da Ze Tu) | Remove (Chu) · Willow (Liu) | Caution Day (Avoid Major Undertakings) |
| 07/09/2031 | Sunday | 21/07 | Geng Xu · Hairpin Bracelet Metal (Chai Chuan Jin) | Full (Man) · Star (Xing) | Balanced Day (Select Auspicious Hours) |
| 08/09/2031 | Monday | 22/07 | Xin Hai · Hairpin Bracelet Metal (Chai Chuan Jin) | Full (Man) · Extended Net (Zhang) | Caution Day (Avoid Major Undertakings) |
| 09/09/2031 | Tuesday | 23/07 | Ren Zi · Mulberry Wood (Sang Tuo Mu) | Balance (Ping) · Wings (Yi) | Balanced Day (Select Auspicious Hours) |
| 10/09/2031 | Wednesday | 24/07 | Gui Chou · Mulberry Wood (Sang Tuo Mu) | Stable (Ding) · Chariot (Zhen) | Auspicious Day (Yellow Path) |
| 11/09/2031 | Thursday | 25/07 | Jia Yin · Great Stream Water (Da Xi Shui) | Initiate (Zhi) · Horn (Jiao) | Balanced Day (Select Auspicious Hours) |
| 12/09/2031 | Friday | 26/07 | Yi Mao · Great Stream Water (Da Xi Shui) | Destruction (Po) · Neck (Kang) | Caution Day (Avoid Major Undertakings) |
| 13/09/2031 | Saturday | 27/07 | Bing Chen · Sand Earth (Sha Zhong Tu) | Danger (Wei) · Root (Di) | Caution Day (Avoid Major Undertakings) |
| 14/09/2031 | Sunday | 28/07 | Ding Si · Sand Earth (Sha Zhong Tu) | Success (Cheng) · Room (Fang) | Auspicious Day (Yellow Path) |
| 15/09/2031 | Monday | 29/07 | Wu Wu · Heavenly Fire (Tian Shang Huo) | Receive (Shou) · Heart (Xin) | Caution Day (Avoid Major Undertakings) |
| 16/09/2031 | Tuesday | 30/07 | Ji Wei · Heavenly Fire (Tian Shang Huo) | Open (Kai) · Tail (Wei) | Auspicious Day (Yellow Path) |
| 17/09/2031 | Wednesday | 01/08 | Geng Shen · Pomegranate Wood (Shi Liu Mu) | Close (Bi) · Winnowing Basket (Ji) | Caution Day (Avoid Major Undertakings) |
| 18/09/2031 | Thursday | 02/08 | Xin You · Pomegranate Wood (Shi Liu Mu) | Establish (Jian) · Southern Dipper (Dou) | Auspicious Day (Yellow Path) |
| 19/09/2031 | Friday | 03/08 | Ren Xu · Great Ocean Water (Da Hai Shui) | Remove (Chu) · Ox (Niu) | Caution Day (Avoid Major Undertakings) |
| 20/09/2031 | Saturday | 04/08 | Gui Hai · Great Ocean Water (Da Hai Shui) | Full (Man) · Girl (Nu) | Caution Day (Avoid Major Undertakings) |
| 21/09/2031 | Sunday | 05/08 | Jia Zi · Gold in the Sea (Hai Zhong Jin) | Balance (Ping) · Emptiness (Xu) | Balanced Day (Select Auspicious Hours) |
| 22/09/2031 | Monday | 06/08 | Yi Chou · Gold in the Sea (Hai Zhong Jin) | Stable (Ding) · Rooftop (Wei) | Caution Day (Avoid Major Undertakings) |
| 23/09/2031 | Tuesday | 07/08 | Bing Yin · Fire in the Furnace (Lu Zhong Huo) | Initiate (Zhi) · Encampment (Shi) | Auspicious Day (Yellow Path) |
| 24/09/2031 | Wednesday | 08/08 | Ding Mao · Fire in the Furnace (Lu Zhong Huo) | Destruction (Po) · Wall (Bi) | Auspicious Day (Yellow Path) |
| 25/09/2031 | Thursday | 09/08 | Wu Chen · Great Forest Wood (Da Lin Mu) | Danger (Wei) · Legs (Kui) | Caution Day (Avoid Major Undertakings) |
| 26/09/2031 | Friday | 10/08 | Ji Si · Great Forest Wood (Da Lin Mu) | Success (Cheng) · Bond (Lou) | Auspicious Day (Yellow Path) |
| 27/09/2031 | Saturday | 11/08 | Geng Wu · Roadside Earth (Lu Pang Tu) | Receive (Shou) · Stomach (Wei) | Auspicious Day (Yellow Path) |
| 28/09/2031 | Sunday | 12/08 | Xin Wei · Roadside Earth (Lu Pang Tu) | Open (Kai) · Hairy Head (Mao) | Auspicious Day (Yellow Path) |
| 29/09/2031 | Monday | 13/08 | Ren Shen · Sword-Edge Metal (Jian Feng Jin) | Close (Bi) · Net (Bi) | Caution Day (Avoid Major Undertakings) |
| 30/09/2031 | Tuesday | 14/08 | Gui You · Sword-Edge Metal (Jian Feng Jin) | Establish (Jian) · Turtle Beak (Zui) | Balanced Day (Select Auspicious Hours) |