Ruling · Govatsa Dvādaśī (Vasu Baras) · 1964

Saturday 31 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 204 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 Saturday 31 October

Taken. The only evening Dvādaśī reaches.

17:19 sunsetpradoṣa ends 19:07
16:5517:1917:4318:0718:3118:5519:19

107 of 107 minutes covered

Evening of Sunday 1 November

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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 13:55 on Sat 31 Oct to 13:36 on Sun 1 Nov.

    1964-10-31T05:54:50Z → 1964-11-01T05:35:43Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:19–19:07 on the 31st, 17:18–19:06 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 107 of 107 minutes on the 31st and 0 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 12252 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1964: Saturday 31 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1964 falls on Saturday 31 October. Dvādaśī runs from 13:55 on Sat 31 Oct to 13:36 on Sun 1 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1964/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 31 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 31 Oct
compat-drikpanchangComparison profileSat 31 Oct
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 Angeles21:55 → 21:3617:01106 min17:000 min31 Oct
Chicago23:55 → 23:3616:46109 min16:440 min31 Oct
Jersey City00:55 → 00:3616:53108 min16:520 min31 Oct
Port of Spain01:55 → 01:3617:4298 min17:420 min31 Oct
London05:55 → 05:3616:35115 min16:330 min31 Oct
Durban07:55 → 07:3618:1786 min18:180 min31 Oct
Dubai09:55 → 09:3617:39102 min17:380 min31 Oct
Delhi11:25 → 11:0617:37104 min17:360 min31 Oct
Kolkata11:25 → 11:0617:00102 min16:590 min31 Oct
Singapore13:25 → 13:0618:2095 min18:200 min31 Oct
Sydney15:55 → 15:3618:2284 min18:230 min31 Oct
Suva17:55 → 17:3618:1290 min18:130 min31 Oct
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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