Ruling · Govatsa Dvādaśī (Vasu Baras) · 2040

Thursday 1 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 498 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 Wednesday 31 October

Dvādaśī is absent from pradoṣa. Not taken.

17:18 sunsetpradoṣa ends 19:06
16:5417:1817:4218:0618:3018:5419:18

0 of 108 minutes covered

Evening of Thursday 1 November

Taken. The only evening Dvādaśī reaches.

17:17 sunsetpradoṣa ends 19:05
16:5317:1717:4118:0518:2918:5319:17

108 of 108 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 03:24 on Thu 1 Nov to 04:12 on Fri 2 Nov.

    2040-10-31T19:23:50Z → 2040-11-01T20:12:24Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:18–19:06 on the 31st, 17:17–19:05 on the 1st.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 31st and 108 of 108 on the 1st.

    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 29870 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2040: Thursday 1 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2040 falls on Thursday 1 November. Dvādaśī runs from 03:24 on Thu 1 Nov to 04:12 on Fri 2 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2040/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 1 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 1 Nov
compat-drikpanchangComparison profileThu 1 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 31stCoveredSunset 1stCoveredRuled
Los Angeles12:24 → 13:1218:00106 min17:590 min31 Oct
Chicago14:24 → 15:1217:45109 min17:440 min31 Oct
Jersey City15:24 → 16:1217:53109 min17:520 min31 Oct
Port of Spain15:24 → 16:1217:4298 min17:410 min31 Oct
London19:24 → 20:1216:340 min16:32115 min1 Nov
Durban21:24 → 22:1218:170 min18:1886 min1 Nov
Dubai23:24 → 00:1217:380 min17:38103 min1 Nov
Delhi00:54 → 01:4217:360 min17:35104 min1 Nov
Kolkata00:54 → 01:4216:590 min16:59102 min1 Nov
Singapore03:24 → 04:1218:500 min18:5096 min1 Nov
Sydney06:24 → 07:1219:220 min19:2384 min1 Nov
Suva07:24 → 08:1218:120 min18:1390 min1 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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