Ruling · Govatsa Dvādaśī (Vasu Baras) · 1941

Friday 17 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 526 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 17 October

Taken. The only evening Dvādaśī reaches.

18:38 sunsetpradoṣa ends 20:21
18:1418:3819:0219:2619:5020:1420:38

103 of 103 minutes covered

Evening of Saturday 18 October

Dvādaśī is absent from pradoṣa. Not taken.

18:36 sunsetpradoṣa ends 20:20
18:1218:3619:0019:2419:4820:1220:36

0 of 103 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 09:51 on Fri 17 Oct to 08:06 on Sat 18 Oct.

    1941-10-17T00:51:29Z → 1941-10-17T23:06:18Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:38–20:21 on the 17th, 18:36–20:20 on the 18th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 17th and 0 of 103 on the 18th.

    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 31578 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1941: Friday 17 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1941 falls on Friday 17 October. Dvādaśī runs from 09:51 on Fri 17 Oct to 08:06 on Sat 18 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1941/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 17 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 17 Oct
compat-drikpanchangComparison profileFri 17 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 17thCoveredSunset 18thCoveredRuled
Los Angeles16:51 → 15:0617:160 min17:150 min16 Oct
Chicago18:51 → 17:0617:060 min17:050 min17 Oct
Jersey City19:51 → 18:0617:1353 min17:120 min17 Oct
Port of Spain20:51 → 19:0617:4879 min17:470 min17 Oct
London01:51 → 00:0618:04107 min18:020 min17 Oct
Durban02:51 → 01:0618:0689 min18:070 min17 Oct
Dubai04:51 → 03:0617:50100 min17:490 min17 Oct
Delhi07:21 → 05:3618:50101 min18:490 min17 Oct
Kolkata07:21 → 05:3618:1099 min18:090 min17 Oct
Singapore08:21 → 06:3618:2295 min18:220 min17 Oct
Sydney10:51 → 09:0618:0988 min18:100 min17 Oct
Suva12:51 → 11:0618:0792 min18:070 min17 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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