Ruling · Yama Dvitīyā (Bhai Dooj) · 2051

Sunday 5 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 463 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 Sunday 5 November

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

48 of 48 minutes covered

Midday of Monday 6 November

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

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 01:34 on Sun 5 Nov to 03:55 on Mon 6 Nov.

    2051-11-04T17:33:33Z → 2051-11-05T19:54:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 5th, 11:38–12:26 on the 6th.

    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 5th and 0 of 48 on the 6th.

    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 27781 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2051: Sunday 5 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2051 falls on Sunday 5 November. Dvitīyā runs from 01:34 on Sun 5 Nov to 03:55 on Mon 6 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2051/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 5 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 5 Nov
compat-drikpanchangComparison profileSun 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/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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles10:34 → 11:5512:1248 min11:1242 min4 Nov
Chicago12:34 → 13:5512:1024 min11:1048 min4 Nov
Jersey City13:34 → 14:5512:160 min11:1648 min5 Nov
Port of Spain13:34 → 15:5511:260 min11:2648 min5 Nov
London17:34 → 19:5511:200 min11:2048 min5 Nov
Durban19:34 → 21:5511:160 min11:1648 min5 Nov
Dubai21:34 → 23:5511:380 min11:3848 min5 Nov
Delhi23:04 → 01:2511:410 min11:4148 min5 Nov
Kolkata23:04 → 01:2510:560 min10:5648 min5 Nov
Singapore01:34 → 03:5512:240 min12:2448 min5 Nov
Sydney04:34 → 06:5512:150 min12:1548 min5 Nov
Suva05:34 → 07:5511:260 min11:2648 min5 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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