Ruling · Govatsa Dvādaśī (Vasu Baras) · 1967

Monday 30 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 318 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 Sunday 29 October

Dvādaśī is absent from pradoṣa. Not taken.

17:22 sunsetpradoṣa ends 19:09
16:5817:2217:4618:1018:3418:5819:22

0 of 107 minutes covered

Evening of Monday 30 October

Taken. The only evening Dvādaśī reaches.

17:21 sunsetpradoṣa ends 19:08
16:5717:2117:4518:0918:3318:5719:21

107 of 107 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 03:16 on Mon 30 Oct to 00:26 on Tue 31 Oct.

    1967-10-29T19:15:37Z → 1967-10-30T16:25:37Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:22–19:09 on the 29th, 17:21–19:08 on the 30th.

    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 107 minutes on the 29th and 107 of 107 on the 30th.

    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 19056 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1967: Monday 30 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1967 falls on Monday 30 October. Dvādaśī runs from 03:16 on Mon 30 Oct to 00:26 on Tue 31 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1967/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 30 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 30 Oct
compat-drikpanchangComparison profileMon 30 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 29thCoveredSunset 30thCoveredRuled
Los Angeles11:16 → 08:2617:03105 min17:020 min29 Oct
Chicago13:16 → 10:2616:49108 min16:480 min29 Oct
Jersey City14:16 → 11:2616:57108 min16:560 min29 Oct
Port of Spain15:16 → 12:2617:4398 min17:420 min29 Oct
London19:16 → 16:2616:400 min16:380 min29 Oct
Durban21:16 → 18:2618:150 min18:1610 min30 Oct
Dubai23:16 → 20:2617:410 min17:40102 min30 Oct
Delhi00:46 → 21:5617:390 min17:38103 min30 Oct
Kolkata00:46 → 21:5617:010 min17:01101 min30 Oct
Singapore02:46 → 23:5618:200 min18:2095 min30 Oct
Sydney05:16 → 02:2618:190 min18:2085 min30 Oct
Suva07:16 → 04:2618:110 min18:1290 min30 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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