Ruling · Yama Dvitīyā (Bhai Dooj) · 2080

Wednesday 13 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 657 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Tuesday 12 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

Midday of Wednesday 13 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

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 23:24 on Tue 12 Nov to 23:41 on Wed 13 Nov.

    2080-11-12T15:23:45Z → 2080-11-13T15:41:12Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 12th, 11:38–12:26 on the 13th.

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

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.

    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 39447 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2080: Wednesday 13 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2080 falls on Wednesday 13 November. Dvitīyā runs from 23:24 on Tue 12 Nov to 23:41 on Wed 13 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2080/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 13 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 13 Nov
compat-drikpanchangComparison profileWed 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles07:24 → 07:4111:1348 min11:130 min12 Nov
Chicago09:24 → 09:4111:1148 min11:110 min12 Nov
Jersey City10:24 → 10:4111:1748 min11:170 min12 Nov
Port of Spain11:24 → 11:4111:2648 min11:2715 min12 Nov
London15:24 → 15:4111:210 min11:2148 min13 Nov
Durban17:24 → 17:4111:160 min11:1748 min13 Nov
Dubai19:24 → 19:4111:390 min11:3948 min13 Nov
Delhi20:54 → 21:1111:410 min11:4148 min13 Nov
Kolkata20:54 → 21:1110:570 min10:5748 min13 Nov
Singapore23:24 → 23:4112:250 min12:2548 min13 Nov
Sydney02:24 → 02:4112:160 min12:1648 min13 Nov
Suva03:24 → 03:4111:270 min11:2748 min13 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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