Ruling · Yama Dvitīyā (Bhai Dooj) · 2015

Friday 13 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 440 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 Friday 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

Midday of Saturday 14 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 03:16 on Fri 13 Nov to 04:18 on Sat 14 Nov.

    2015-11-12T19:15:30Z → 2015-11-13T20:17:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 13th, 11:38–12:26 on the 14th.

    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 13th and 0 of 48 on the 14th.

    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 26424 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2015: Friday 13 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2015 falls on Friday 13 November. Dvitīyā runs from 03:16 on Fri 13 Nov to 04:18 on Sat 14 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2015/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 13 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 13 Nov
compat-drikpanchangComparison profileFri 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 Angeles11:16 → 12:1811:1345 min11:1348 min12 Nov
Chicago13:16 → 14:1811:110 min11:1148 min13 Nov
Jersey City14:16 → 15:1811:160 min11:1648 min13 Nov
Port of Spain15:16 → 16:1811:260 min11:2648 min13 Nov
London19:16 → 20:1811:200 min11:2048 min13 Nov
Durban21:16 → 22:1811:160 min11:1648 min13 Nov
Dubai23:16 → 00:1811:390 min11:3948 min13 Nov
Delhi00:46 → 01:4811:410 min11:4148 min13 Nov
Kolkata00:46 → 01:4810:570 min10:5748 min13 Nov
Singapore03:16 → 04:1812:250 min12:2548 min13 Nov
Sydney06:16 → 07:1812:150 min12:1648 min13 Nov
Suva08:16 → 09:1812:260 min12:2748 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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