Ruling · Govatsa Dvādaśī (Vasu Baras) · 1988

Saturday 5 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 23 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 Saturday 5 November

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

17:13 sunsetpradoṣa ends 19:02
16:4917:1317:3718:0118:2518:4919:13

109 of 109 minutes covered

Evening of Sunday 6 November

Qualifies with 23 of 109 minutes. Not taken.

17:12 sunsetpradoṣa ends 19:02
Dvādaśī ends 17:34:49
16:4817:1217:3618:0018:2418:4819:12

23 of 109 minutes covered, the first 23

Dvādaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 15:07 on Sat 5 Nov to 17:35 on Sun 6 Nov.

    1988-11-05T07:06:45Z → 1988-11-06T09:34:49Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:13–19:02 on the 5th, 17:12–19:02 on the 6th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 109 of 109 minutes on the 5th and 23 of 109 on the 6th.

    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 1352 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1988: Saturday 5 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1988 falls on Saturday 5 November. Dvādaśī runs from 15:07 on Sat 5 Nov to 17:35 on Sun 6 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 23 minutes; by the rule the first evening is taken.

ahargana.org/baoding/festivals/1988/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 5 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 5 Nov
compat-drikpanchangComparison profileSat 5 Nov
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 5thCoveredSunset 6thCoveredRuled
Los Angeles23:07 → 01:3516:56107 min16:550 min5 Nov
Chicago01:07 → 03:3516:39111 min16:380 min5 Nov
Jersey City02:07 → 04:3516:47110 min16:460 min5 Nov
Port of Spain03:07 → 05:3517:4198 min17:400 min5 Nov
London07:07 → 09:3516:26117 min16:240 min5 Nov
Durban09:07 → 11:3518:2185 min18:220 min5 Nov
Dubai11:07 → 13:3517:35103 min17:350 min5 Nov
Delhi12:37 → 15:0517:33105 min17:320 min5 Nov
Kolkata12:37 → 15:0516:57102 min16:560 min5 Nov
Singapore15:07 → 17:3518:5096 min18:500 min5 Nov
Sydney18:07 → 20:3519:2783 min19:2767 min5 Nov
Suva19:07 → 21:3518:1537 min18:1589 min5 Nov
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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