Midday of Friday 8 May
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
madhyāhna begins 11:51 12:39 madhyāhna ends
Pūrṇimā begins 11:25:45
11:0311:2711:5112:1512:3913:0313:27
48 of 48 minutes covered
Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2009
Boundaryin Baoding, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Friday 8 May
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Saturday 9 May
Qualifies with 11 of 48 minutes. Not taken.
11 of 48 minutes covered, the first 11
Aṅga
Pūrṇimā runs from 11:26 on Fri 8 May to 12:01 on Sat 9 May.
2009-05-08T03:25:46Z → 2009-05-09T04:01:25Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 8th, 11:51–12:39 on the 9th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 11 of 48 on the 9th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102
Tie-break
Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 632 s
Ruling
Buddha Pūrṇimā, Baoding, 2009: Friday 8 May.
confidence: boundary (tie-break-unstated)
In Baoding, Buddha Pūrṇimā (Vesak) 2009 falls on Friday 8 May. Pūrṇimā runs from 11:26 on Fri 8 May to 12:01 on Sat 9 May and covers all of madhyāhna that midday. It also reaches the next midday for 11 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 8 May |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 8 May |
| compat-drikpanchang | Comparison profile | Fri 8 May |
| No institution has a recorded ruling for Baoding. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/buddha-purnima · ruleset 2026.3-draft
“S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.
Twelve places, west to east. Local clock times.
| Place | Pūrṇimā | Madhyāhna 8th | Covered | Madhyāhna 9th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 20:26 → 21:01 | 12:26 | 48 min | 12:26 | 0 min | 8 May |
| Chicago | 22:26 → 23:01 | 12:23 | 48 min | 12:23 | 0 min | 8 May |
| Jersey City | 23:26 → 00:01 | 12:29 | 48 min | 12:29 | 0 min | 8 May |
| Port of Spain | 23:26 → 00:01 | 11:39 | 48 min | 11:39 | 0 min | 8 May |
| London | 04:26 → 05:01 | 12:33 | 48 min | 12:33 | 0 min | 8 May |
| Durban | 05:26 → 06:01 | 11:28 | 48 min | 11:28 | 0 min | 8 May |
| Dubai | 07:26 → 08:01 | 11:51 | 48 min | 11:51 | 0 min | 8 May |
| Delhi | 08:56 → 09:31 | 11:54 | 48 min | 11:54 | 0 min | 8 May |
| Kolkata | 08:56 → 09:31 | 11:09 | 48 min | 11:09 | 0 min | 8 May |
| Singapore | 11:26 → 12:01 | 12:37 | 48 min | 12:37 | 0 min | 8 May |
| Sydney | 13:26 → 14:01 | 11:27 | 0 min | 11:27 | 48 min | 9 May |
| Suva | 15:26 → 16:01 | 11:39 | 0 min | 11:39 | 48 min | 9 May |