Ruling · Govatsa Dvādaśī (Vasu Baras) · 2088

Tuesday 9 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 316 minutes.

Decide it for

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

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Tuesday 9 November

Taken. The only evening Dvādaśī reaches.

17:09 sunsetpradoṣa ends 18:59
16:4517:0917:3317:5718:2118:4519:0919:33

110 of 110 minutes covered

Evening of Wednesday 10 November

Dvādaśī is absent from pradoṣa. Not taken.

17:08 sunsetpradoṣa ends 18:59
16:4417:0817:3217:5618:2018:4419:0819:32

0 of 111 minutes covered

Dvādaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 11:50 on Tue 9 Nov to 11:52 on Wed 10 Nov.

    2088-11-09T03:49:58Z → 2088-11-10T03:51:35Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:09–18:59 on the 9th, 17:08–18:59 on the 10th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 110 of 110 minutes on the 9th and 0 of 111 on the 10th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one evening qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 18985 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2088: Tuesday 9 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2088 falls on Tuesday 9 November. Dvādaśī runs from 11:50 on Tue 9 Nov to 11:52 on Wed 10 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2088/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 9 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 9 Nov
compat-drikpanchangComparison profileTue 9 Nov
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/govatsa-dvadashi · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Kṛṣṇa · Dvādaśī
Kāla
Pradoṣa
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīSunset 9thCoveredSunset 10thCoveredRuled
Los Angeles19:50 → 19:5216:52108 min16:520 min9 Nov
Chicago21:50 → 21:5216:34112 min16:330 min9 Nov
Jersey City22:50 → 22:5216:43112 min16:420 min9 Nov
Port of Spain23:50 → 23:5217:4099 min17:400 min9 Nov
London03:50 → 03:5216:18119 min16:170 min9 Nov
Durban05:50 → 05:5218:2584 min18:260 min9 Nov
Dubai07:50 → 07:5217:33104 min17:330 min9 Nov
Delhi09:20 → 09:2217:30105 min17:290 min9 Nov
Kolkata09:20 → 09:2216:55103 min16:540 min9 Nov
Singapore11:50 → 11:5218:5096 min18:500 min9 Nov
Sydney14:50 → 14:5219:3182 min19:320 min9 Nov
Suva15:50 → 15:5218:1789 min18:180 min9 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
govatsa-dvadashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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