Ruling · Govatsa Dvādaśī (Vasu Baras) · 1997

Monday 27 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 350 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 Monday 27 October

Taken. The only evening Dvādaśī reaches.

17:24 sunsetpradoṣa ends 19:10
17:0017:2417:4818:1218:3619:0019:24

106 of 106 minutes covered

Evening of Tuesday 28 October

Dvādaśī is absent from pradoṣa. Not taken.

17:23 sunsetpradoṣa ends 19:09
16:5917:2317:4718:1118:3518:5919:23

0 of 107 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 08:50 on Mon 27 Oct to 11:32 on Tue 28 Oct.

    1997-10-27T00:50:00Z → 1997-10-28T03:32:21Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:24–19:10 on the 27th, 17:23–19:09 on the 28th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 27th and 0 of 107 on the 28th.

    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 21014 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1997: Monday 27 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1997 falls on Monday 27 October. Dvādaśī runs from 08:50 on Mon 27 Oct to 11:32 on Tue 28 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1997/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 27 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 27 Oct
compat-drikpanchangComparison profileMon 27 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 27thCoveredSunset 28thCoveredRuled
Los Angeles16:50 → 19:3217:05105 min17:040 min26 Oct
Chicago18:50 → 21:3216:51108 min16:500 min27 Oct
Jersey City19:50 → 22:3216:58107 min16:570 min27 Oct
Port of Spain20:50 → 23:3217:4398 min17:430 min27 Oct
London00:50 → 03:3216:42113 min16:410 min27 Oct
Durban02:50 → 05:3218:1487 min18:150 min27 Oct
Dubai04:50 → 07:3217:42102 min17:410 min27 Oct
Delhi06:20 → 09:0217:40103 min17:390 min27 Oct
Kolkata06:20 → 09:0217:02101 min17:010 min27 Oct
Singapore08:50 → 11:3218:5095 min18:500 min27 Oct
Sydney11:50 → 14:3219:1886 min19:190 min27 Oct
Suva12:50 → 15:3218:1191 min18:110 min27 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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