Ruling · Govatsa Dvādaśī (Vasu Baras) · 1944

Friday 13 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 503 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 Thursday 12 October

Dvādaśī is absent from pradoṣa. Not taken.

18:45 sunsetpradoṣa ends 20:26
18:2118:4519:0919:3319:5720:2120:45

0 of 101 minutes covered

Evening of Friday 13 October

Taken. The only evening Dvādaśī reaches.

18:43 sunsetpradoṣa ends 20:25
18:1918:4319:0719:3119:5520:1920:43

102 of 102 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 04:49 on Fri 13 Oct to 07:24 on Sat 14 Oct.

    1944-10-12T19:49:16Z → 1944-10-13T22:24:09Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:45–20:26 on the 12th, 18:43–20:25 on the 13th.

    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 101 minutes on the 12th and 102 of 102 on the 13th.

    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 30193 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1944: Friday 13 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1944 falls on Friday 13 October. Dvādaśī runs from 04:49 on Fri 13 Oct to 07:24 on Sat 14 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1944/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 13 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 13 Oct
compat-drikpanchangComparison profileFri 13 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 12thCoveredSunset 13thCoveredRuled
Los Angeles12:49 → 15:2418:22101 min18:210 min12 Oct
Chicago14:49 → 17:2418:14102 min18:120 min12 Oct
Jersey City15:49 → 18:2418:20102 min18:195 min12 Oct
Port of Spain16:49 → 19:2418:5097 min18:4935 min12 Oct
London20:49 → 23:2418:140 min18:12105 min13 Oct
Durban21:49 → 00:2418:030 min18:0490 min13 Oct
Dubai23:49 → 02:2417:550 min17:5499 min13 Oct
Delhi02:19 → 04:5418:550 min18:54100 min13 Oct
Kolkata02:19 → 04:5418:140 min18:1399 min13 Oct
Singapore04:49 → 07:2419:540 min19:5395 min13 Oct
Sydney05:49 → 08:2418:060 min18:0689 min13 Oct
Suva07:49 → 10:2418:060 min18:0692 min13 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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