Ruling · Yama Dvitīyā (Bhai Dooj) · 1986

Monday 3 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 36 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Monday 3 November

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:37  12:25 madhyāhna ends
Dvitīyā begins 11:01:05
10:4911:1311:3712:0112:2512:4913:13

48 of 48 minutes covered

Midday of Tuesday 4 November

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:37  12:25 madhyāhna ends
10:4911:1311:3712:0112:2512:4913:13

0 of 48 minutes covered

Dvitīyā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 11:01 on Mon 3 Nov to 07:49 on Tue 4 Nov.

    1986-11-03T03:01:06Z → 1986-11-03T23:48:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 3rd, 11:37–12:25 on the 4th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.

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

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 2184 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 1986: Monday 3 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 1986 falls on Monday 3 November. Dvitīyā runs from 11:01 on Mon 3 Nov to 07:49 on Tue 4 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1986/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 3 Nov
Ahargaṇa, classicalDisc centre, no refractionMon 3 Nov
compat-drikpanchangComparison profileMon 3 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/yama-dvitiya · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Dvitīyā
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvitīyāMadhyāhna 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles19:01 → 15:4911:1248 min11:120 min3 Nov
Chicago21:01 → 17:4911:1048 min11:100 min3 Nov
Jersey City22:01 → 18:4911:1648 min11:160 min3 Nov
Port of Spain23:01 → 19:4911:2648 min11:260 min3 Nov
London03:01 → 23:4911:2048 min11:200 min3 Nov
Durban05:01 → 01:4911:1648 min11:160 min3 Nov
Dubai07:01 → 03:4911:3848 min11:380 min3 Nov
Delhi08:31 → 05:1911:4048 min11:400 min3 Nov
Kolkata08:31 → 05:1910:5648 min10:560 min3 Nov
Singapore11:01 → 07:4912:2448 min12:240 min3 Nov
Sydney14:01 → 10:4912:150 min12:150 min4 Nov
Suva15:01 → 11:4911:260 min11:2623 min4 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
yama-dvitiya@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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