Ruling · Govatsa Dvādaśī (Vasu Baras) · 1951

Saturday 27 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 393 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Friday 26 October

Dvādaśī is absent from pradoṣa. Not taken.

17:26 sunsetpradoṣa ends 19:12
17:0217:2617:5018:1418:3819:0219:26

0 of 106 minutes covered

Evening of Saturday 27 October

Taken. The only evening Dvādaśī reaches.

17:25 sunsetpradoṣa ends 19:11
17:0117:2517:4918:1318:3719:0119:25

106 of 106 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 01:45 on Sat 27 Oct to 01:52 on Sun 28 Oct.

    1951-10-26T17:45:09Z → 1951-10-27T17:52:07Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:26–19:12 on the 26th, 17:25–19:11 on the 27th.

    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 106 minutes on the 26th and 106 of 106 on the 27th.

    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 23597 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1951: Saturday 27 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1951 falls on Saturday 27 October. Dvādaśī runs from 01:45 on Sat 27 Oct to 01:52 on Sun 28 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1951/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 27 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 27 Oct
compat-drikpanchangComparison profileSat 27 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 26thCoveredSunset 27thCoveredRuled
Los Angeles09:45 → 09:5217:07104 min17:060 min26 Oct
Chicago11:45 → 11:5216:54107 min16:520 min26 Oct
Jersey City12:45 → 12:5217:01107 min17:000 min26 Oct
Port of Spain13:45 → 13:5217:4498 min17:440 min26 Oct
London17:45 → 17:5216:4653 min16:4468 min26 Oct
Durban19:45 → 19:5218:120 min18:1387 min27 Oct
Dubai21:45 → 21:5217:430 min17:42102 min27 Oct
Delhi23:15 → 23:2217:420 min17:41103 min27 Oct
Kolkata23:15 → 23:2217:030 min17:03101 min27 Oct
Singapore01:15 → 01:2218:210 min18:2195 min27 Oct
Sydney03:45 → 03:5218:170 min18:1786 min27 Oct
Suva05:45 → 05:5218:100 min18:1091 min27 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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