Astronomical Overview
Vietnam Standard Meridian UTC+7
May 2031 spans 31 Gregorian days, beginning on Thursday (May 1, corresponding to Lunar 11/3 of Xin Hai (Pig)) and concluding on Saturday (May 31, Lunar 11/4). Under the official Vietnamese UTC+7 standard, May 2031 features 12 Auspicious Days (Yellow Path), highlighted on Gregorian days 2, 5, 6, 9, 14, 15, 21, 22, 25, 28. 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.
May 2031 Monthly Grid
Day-by-Day Almanac Ephemeris (5/2031)
| Gregorian | Weekday | Lunar (UTC+7) | Day Pillar & NaYin | Officer & Mansion | Assessment |
|---|---|---|---|---|---|
| 01/05/2031 | Thursday | 11/03 (L) | Xin Chou · Wall-Plaster Earth (Bi Shang Tu) | Receive (Shou) · Southern Dipper (Dou) | Balanced Day (Select Auspicious Hours) |
| 02/05/2031 | Friday | 12/03 (L) | Ren Yin · Gold Foil Metal (Jin Bo Jin) | Open (Kai) · Ox (Niu) | Auspicious Day (Yellow Path) |
| 03/05/2031 | Saturday | 13/03 (L) | Gui Mao · Gold Foil Metal (Jin Bo Jin) | Close (Bi) · Girl (Nu) | Caution Day (Avoid Major Undertakings) |
| 04/05/2031 | Sunday | 14/03 (L) | Jia Chen · Lamp Flame Fire (Fu Deng Huo) | Establish (Jian) · Emptiness (Xu) | Balanced Day (Select Auspicious Hours) |
| 05/05/2031 | Monday | 15/03 (L) | Yi Si · Lamp Flame Fire (Fu Deng Huo) | Remove (Chu) · Rooftop (Wei) | Auspicious Day (Yellow Path) |
| 06/05/2031 | Tuesday | 16/03 (L) | Bing Wu · Celestial River Water (Tian He Shui) | Remove (Chu) · Encampment (Shi) | Auspicious Day (Yellow Path) |
| 07/05/2031 | Wednesday | 17/03 (L) | Ding Wei · Celestial River Water (Tian He Shui) | Full (Man) · Wall (Bi) | Balanced Day (Select Auspicious Hours) |
| 08/05/2031 | Thursday | 18/03 (L) | Wu Shen · Great Marsh Earth (Da Ze Tu) | Balance (Ping) · Legs (Kui) | Balanced Day (Select Auspicious Hours) |
| 09/05/2031 | Friday | 19/03 (L) | Ji You · Great Marsh Earth (Da Ze Tu) | Stable (Ding) · Bond (Lou) | Auspicious Day (Yellow Path) |
| 10/05/2031 | Saturday | 20/03 (L) | Geng Xu · Hairpin Bracelet Metal (Chai Chuan Jin) | Initiate (Zhi) · Stomach (Wei) | Balanced Day (Select Auspicious Hours) |
| 11/05/2031 | Sunday | 21/03 (L) | Xin Hai · Hairpin Bracelet Metal (Chai Chuan Jin) | Destruction (Po) · Hairy Head (Mao) | Caution Day (Avoid Major Undertakings) |
| 12/05/2031 | Monday | 22/03 (L) | Ren Zi · Mulberry Wood (Sang Tuo Mu) | Danger (Wei) · Net (Bi) | Caution Day (Avoid Major Undertakings) |
| 13/05/2031 | Tuesday | 23/03 (L) | Gui Chou · Mulberry Wood (Sang Tuo Mu) | Success (Cheng) · Turtle Beak (Zui) | Caution Day (Avoid Major Undertakings) |
| 14/05/2031 | Wednesday | 24/03 (L) | Jia Yin · Great Stream Water (Da Xi Shui) | Receive (Shou) · Three Stars (Shen) | Auspicious Day (Yellow Path) |
| 15/05/2031 | Thursday | 25/03 (L) | Yi Mao · Great Stream Water (Da Xi Shui) | Open (Kai) · Well (Jing) | Auspicious Day (Yellow Path) |
| 16/05/2031 | Friday | 26/03 (L) | Bing Chen · Sand Earth (Sha Zhong Tu) | Close (Bi) · Ghost (Gui) | Caution Day (Avoid Major Undertakings) |
| 17/05/2031 | Saturday | 27/03 (L) | Ding Si · Sand Earth (Sha Zhong Tu) | Establish (Jian) · Willow (Liu) | Balanced Day (Select Auspicious Hours) |
| 18/05/2031 | Sunday | 28/03 (L) | Wu Wu · Heavenly Fire (Tian Shang Huo) | Remove (Chu) · Star (Xing) | Caution Day (Avoid Major Undertakings) |
| 19/05/2031 | Monday | 29/03 (L) | Ji Wei · Heavenly Fire (Tian Shang Huo) | Full (Man) · Extended Net (Zhang) | Balanced Day (Select Auspicious Hours) |
| 20/05/2031 | Tuesday | 30/03 (L) | Geng Shen · Pomegranate Wood (Shi Liu Mu) | Balance (Ping) · Wings (Yi) | Balanced Day (Select Auspicious Hours) |
| 21/05/2031 | Wednesday | 01/04 | Xin You · Pomegranate Wood (Shi Liu Mu) | Stable (Ding) · Chariot (Zhen) | Auspicious Day (Yellow Path) |
| 22/05/2031 | Thursday | 02/04 | Ren Xu · Great Ocean Water (Da Hai Shui) | Initiate (Zhi) · Horn (Jiao) | Auspicious Day (Yellow Path) |
| 23/05/2031 | Friday | 03/04 | Gui Hai · Great Ocean Water (Da Hai Shui) | Destruction (Po) · Neck (Kang) | Caution Day (Avoid Major Undertakings) |
| 24/05/2031 | Saturday | 04/04 | Jia Zi · Gold in the Sea (Hai Zhong Jin) | Danger (Wei) · Root (Di) | Caution Day (Avoid Major Undertakings) |
| 25/05/2031 | Sunday | 05/04 | Yi Chou · Gold in the Sea (Hai Zhong Jin) | Success (Cheng) · Room (Fang) | Auspicious Day (Yellow Path) |
| 26/05/2031 | Monday | 06/04 | Bing Yin · Fire in the Furnace (Lu Zhong Huo) | Receive (Shou) · Heart (Xin) | Caution Day (Avoid Major Undertakings) |
| 27/05/2031 | Tuesday | 07/04 | Ding Mao · Fire in the Furnace (Lu Zhong Huo) | Open (Kai) · Tail (Wei) | Balanced Day (Select Auspicious Hours) |
| 28/05/2031 | Wednesday | 08/04 | Wu Chen · Great Forest Wood (Da Lin Mu) | Close (Bi) · Winnowing Basket (Ji) | Auspicious Day (Yellow Path) |
| 29/05/2031 | Thursday | 09/04 | Ji Si · Great Forest Wood (Da Lin Mu) | Establish (Jian) · Southern Dipper (Dou) | Auspicious Day (Yellow Path) |
| 30/05/2031 | Friday | 10/04 | Geng Wu · Roadside Earth (Lu Pang Tu) | Remove (Chu) · Ox (Niu) | Auspicious Day (Yellow Path) |
| 31/05/2031 | Saturday | 11/04 | Xin Wei · Roadside Earth (Lu Pang Tu) | Full (Man) · Girl (Nu) | Balanced Day (Select Auspicious Hours) |