Ruling · Sampat Gaurī Vrata · 2009

Saturday 9 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 11 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Friday 8 May

Qualifies with 48 of 48 minutes. Not taken.

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

Midday of Saturday 9 May

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 11:51  12:39 madhyāhna ends
Pūrṇimā ends 12:01:24
11:0311:2711:5112:1512:3913:0313:27

11 of 48 minutes covered, the first 11

Pūrṇimā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    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

  2. 02

    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′

  3. 03

    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

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 632 s

  5. 05

    Ruling

    Sampat Gaurī Vrata, Baoding, 2009: Saturday 9 May.

    confidence: determinate

Say it like this

In Baoding, Sampat Gaurī Vrata 2009 falls on Saturday 9 May. Pūrṇimā runs from 11:26 on Fri 8 May to 12:01 on Sat 9 May and covers 11 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.

ahargana.org/baoding/festivals/2009/sampat-gauri-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 9 May
Ahargaṇa, classicalDisc centre, no refractionSat 9 May
compat-drikpanchangComparison profileSat 9 May
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/sampat-gauri-vrata · ruleset 2026.3-draft

Month
Vaiśākha, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“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.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāMadhyāhna 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles20:26 → 21:0112:2648 min12:260 min8 May
Chicago22:26 → 23:0112:2348 min12:230 min8 May
Jersey City23:26 → 00:0112:2948 min12:290 min8 May
Port of Spain23:26 → 00:0111:3948 min11:390 min8 May
London04:26 → 05:0112:3348 min12:330 min8 May
Durban05:26 → 06:0111:2848 min11:280 min8 May
Dubai07:26 → 08:0111:5148 min11:510 min8 May
Delhi08:56 → 09:3111:5448 min11:540 min8 May
Kolkata08:56 → 09:3111:0948 min11:090 min8 May
Singapore11:26 → 12:0112:3748 min12:370 min8 May
Sydney13:26 → 14:0111:270 min11:2748 min9 May
Suva15:26 → 16:0111:390 min11:3948 min9 May
Profile · tradition
pac-rp@2026.1 · smarta
Rule
sampat-gauri-vrata@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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