Ruling · Govatsa Dvādaśī (Vasu Baras) · 1927

Friday 21 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 77 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 21 October

Taken. The only evening Dvādaśī reaches.

17:33 sunsetpradoṣa ends 19:17
17:0917:3317:5718:2118:4519:0919:33

104 of 104 minutes covered

Evening of Saturday 22 October

Dvādaśī is absent from pradoṣa. Not taken.

17:32 sunsetpradoṣa ends 19:16
17:0817:3217:5618:2018:4419:0819:32

0 of 104 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 14:11 on Fri 21 Oct to 16:15 on Sat 22 Oct.

    1927-10-21T06:10:34Z → 1927-10-22T08:15:12Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:33–19:17 on the 21st, 17:32–19:16 on the 22nd.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 21st and 0 of 104 on the 22nd.

    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 4590 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1927: Friday 21 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1927 falls on Friday 21 October. Dvādaśī runs from 14:11 on Fri 21 Oct to 16:15 on Sat 22 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1927/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 21 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 21 Oct
compat-drikpanchangComparison profileFri 21 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 21stCoveredSunset 22ndCoveredRuled
Los Angeles22:11 → 00:1517:12103 min17:110 min21 Oct
Chicago00:11 → 02:1517:01105 min17:000 min21 Oct
Jersey City01:11 → 03:1517:08105 min17:070 min21 Oct
Port of Spain02:11 → 04:1517:4697 min17:460 min21 Oct
London06:11 → 08:1516:57109 min16:540 min21 Oct
Durban08:11 → 10:1518:0988 min18:090 min21 Oct
Dubai10:11 → 12:1517:47100 min17:460 min21 Oct
Delhi11:41 → 13:4517:46101 min17:450 min21 Oct
Kolkata11:41 → 13:4517:07100 min17:060 min21 Oct
Singapore13:11 → 15:1517:5295 min17:510 min21 Oct
Sydney16:11 → 18:1518:1287 min18:132 min21 Oct
Suva18:11 → 20:1518:0889 min18:0991 min21 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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