Ruling · Govatsa Dvādaśī (Vasu Baras) · 2011

Sunday 23 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 37 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 Sunday 23 October

Taken. The only evening Dvādaśī reaches.

17:29 sunsetpradoṣa ends 19:14
Dvādaśī begins 18:05:59
17:0517:2917:5318:1718:4119:0519:29

68 of 105 minutes covered, the last 68

Evening of Monday 24 October

Dvādaśī is absent from pradoṣa. Not taken.

17:28 sunsetpradoṣa ends 19:13
17:0417:2817:5218:1618:4019:0419:28

0 of 105 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 18:06 on Sun 23 Oct to 15:02 on Mon 24 Oct.

    2011-10-23T10:06:00Z → 2011-10-24T07:02:07Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:29–19:14 on the 23rd, 17:28–19:13 on the 24th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 68 of 105 minutes on the 23rd and 0 of 105 on the 24th.

    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 2192 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2011: Sunday 23 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2011 falls on Sunday 23 October. Dvādaśī runs from 18:06 on Sun 23 Oct to 15:02 on Mon 24 Oct and covers 68 of 105 minutes of pradoṣa that evening.

ahargana.org/baoding/festivals/2011/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 23 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 23 Oct
compat-drikpanchangComparison profileSun 23 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 23rdCoveredSunset 24thCoveredRuled
Los Angeles03:06 → 00:0218:09104 min18:080 min23 Oct
Chicago05:06 → 02:0217:57106 min17:560 min23 Oct
Jersey City06:06 → 03:0218:04106 min18:030 min23 Oct
Port of Spain06:06 → 03:0217:4597 min17:440 min23 Oct
London11:06 → 08:0217:51110 min17:490 min23 Oct
Durban12:06 → 09:0218:1188 min18:110 min23 Oct
Dubai14:06 → 11:0217:45101 min17:440 min23 Oct
Delhi15:36 → 12:3217:44102 min17:430 min23 Oct
Kolkata15:36 → 12:3217:05100 min17:040 min23 Oct
Singapore18:06 → 15:0218:5195 min18:510 min23 Oct
Sydney21:06 → 18:0219:140 min19:150 min23 Oct
Suva23:06 → 20:0219:090 min19:0953 min24 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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