Ruling · Yama Dvitīyā (Bhrātṛ Dvitīyā) · 2026

Tuesday 10 November

Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 407 minutes.

Decide it for

ChicagoDelhiKolkataSingaporeSydneyJersey City

41°51′ N 87°39′ W · America/Chicago · GeoNames 4887398

The two middays

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

Midday of Tuesday 10 November

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:10  11:58 madhyāhna ends
10:2210:4611:1011:3411:5812:2212:46

48 of 48 minutes covered

Midday of Wednesday 11 November

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:10  11:58 madhyāhna ends
10:2210:4611:1011:3411:5812:2212:46

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 02:31 on Tue 10 Nov to 04:24 on Wed 11 Nov.

    2026-11-10T08:30:37Z → 2026-11-11T10:23:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 10th, 11:10–11:58 on the 11th.

    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 10th and 0 of 48 on the 11th.

    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 24391 s

  5. 05

    Ruling

    Yama Dvitīyā, Chicago, 2026: Tuesday 10 November.

    confidence: determinate

Say it like this

In Chicago, Yama Dvitīyā (Bhai Dooj) 2026 falls on Tuesday 10 November. Dvitīyā runs from 02:31 on Tue 10 Nov to 04:24 on Wed 11 Nov and covers all of madhyāhna that midday.

ahargana.org/chicago/festivals/2026/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 10 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 10 Nov
compat-drikpanchangComparison profileTue 10 Nov
No institution has a recorded ruling for Chicago.

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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles00:31 → 02:2411:1348 min11:130 min10 Nov
Chicago02:31 → 04:2411:1048 min11:100 min10 Nov
Jersey City03:31 → 05:2411:1648 min11:160 min10 Nov
Port of Spain04:31 → 06:2411:2648 min11:260 min10 Nov
London08:31 → 10:2411:2048 min11:200 min10 Nov
Durban10:31 → 12:2411:1648 min11:1648 min10 Nov
Dubai12:31 → 14:2411:390 min11:3948 min11 Nov
Delhi14:01 → 15:5411:410 min11:4148 min11 Nov
Kolkata14:01 → 15:5410:560 min10:5648 min11 Nov
Singapore16:31 → 18:2412:240 min12:2548 min11 Nov
Sydney19:31 → 21:2412:150 min12:1548 min11 Nov
Suva20:31 → 22:2411:260 min11:2648 min11 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