Ruling · Yama Dvitīyā (Bhrātṛ Dvitīyā) · 2011

Friday 28 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 498 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 Thursday 27 October

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 Friday 28 October

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 00:11 on Fri 28 Oct to 20:44 on Fri 28 Oct.

    2011-10-27T16:11:22Z → 2011-10-28T12:43:45Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 27th, 11:38–12:26 on the 28th.

    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 27th and 48 of 48 on the 28th.

    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 29880 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2011: Friday 28 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2011 falls on Friday 28 October. Dvitīyā runs from 00:11 on Fri 28 Oct to 20:44 on Fri 28 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2011/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 28 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 28 Oct
compat-drikpanchangComparison profileFri 28 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/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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles09:11 → 05:4412:1348 min12:130 min27 Oct
Chicago11:11 → 07:4412:1048 min12:100 min27 Oct
Jersey City12:11 → 08:4412:1648 min12:160 min27 Oct
Port of Spain12:11 → 08:4411:263 min11:260 min27 Oct
London17:11 → 13:4412:200 min12:2048 min28 Oct
Durban18:11 → 14:4411:160 min11:1648 min28 Oct
Dubai20:11 → 16:4411:390 min11:3848 min28 Oct
Delhi21:41 → 18:1411:410 min11:4148 min28 Oct
Kolkata21:41 → 18:1410:560 min10:5648 min28 Oct
Singapore00:11 → 20:4412:250 min12:2448 min28 Oct
Sydney03:11 → 23:4412:150 min12:1548 min28 Oct
Suva05:11 → 01:4412:260 min12:2648 min28 Oct
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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