Ruling · Govatsa Dvādaśī (Vasu Baras) · 2085

Sunday 14 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 12 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 14 October

Taken. Both evenings qualify; the rule takes the first.

17:41 sunsetpradoṣa ends 19:23
Dvādaśī begins 17:28:19
17:1717:4118:0518:2918:5319:1719:41

102 of 102 minutes covered

Evening of Monday 15 October

Qualifies with 103 of 103 minutes. Not taken.

17:39 sunsetpradoṣa ends 19:22
17:1517:3918:0318:2718:5119:1519:39

103 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 17:28 on Sun 14 Oct to 19:51 on Mon 15 Oct.

    2085-10-14T09:28:19Z → 2085-10-15T11:51:28Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:41–19:23 on the 14th, 17:39–19:22 on the 15th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 14th and 103 of 103 on the 15th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both evenings qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 745 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2085: Sunday 14 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2085 falls on Sunday 14 October. Dvādaśī runs from 17:28 on Sun 14 Oct to 19:51 on Mon 15 Oct and covers all of pradoṣa that evening. It also reaches the next evening for 103 minutes; by the rule the first evening is taken.

ahargana.org/baoding/festivals/2085/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 14 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 14 Oct
compat-drikpanchangComparison profileSun 14 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 14thCoveredSunset 15thCoveredRuled
Los Angeles02:28 → 04:5118:19101 min18:180 min14 Oct
Chicago04:28 → 06:5118:09103 min18:080 min14 Oct
Jersey City05:28 → 07:5118:16103 min18:150 min14 Oct
Port of Spain05:28 → 07:5117:4997 min17:480 min14 Oct
London10:28 → 12:5118:08106 min18:060 min14 Oct
Durban11:28 → 13:5118:0590 min18:060 min14 Oct
Dubai13:28 → 15:5117:5299 min17:510 min14 Oct
Delhi14:58 → 17:2117:52100 min17:510 min14 Oct
Kolkata14:58 → 17:2117:1299 min17:1110 min14 Oct
Singapore17:28 → 19:5118:5395 min18:5359 min14 Oct
Sydney20:28 → 22:5119:089 min19:0989 min14 Oct
Suva21:28 → 23:5118:070 min18:0792 min15 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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