Ruling · Yama Dvitīyā (Bhrātṛ Dvitīyā) · 2001

Saturday 17 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 7 min 10 s.

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 16 November

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
Dvitīyā begins 13:11:43
10:5111:1511:3912:0312:2712:5113:15

0 of 48 minutes covered

Midday of Saturday 17 November

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:39  12:27 madhyāhna ends
Dvitīyā ends 12:19:44
10:5111:1511:3912:0312:2712:5113:15

41 of 48 minutes covered, the first 41

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 13:12 on Fri 16 Nov to 12:20 on Sat 17 Nov.

    2001-11-16T05:11:44Z → 2001-11-17T04:19:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 16th, 11:39–12:27 on the 17th.

    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 16th and 41 of 48 on the 17th.

    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 430 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2001: Saturday 17 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2001 falls on Saturday 17 November. Dvitīyā runs from 13:12 on Fri 16 Nov to 12:20 on Sat 17 Nov and covers 41 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/2001/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 17 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 17 Nov
compat-drikpanchangComparison profileSat 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles21:12 → 20:2011:1448 min11:140 min16 Nov
Chicago23:12 → 22:2011:1148 min11:110 min16 Nov
Jersey City00:12 → 23:2011:1748 min11:170 min16 Nov
Port of Spain01:12 → 00:2011:2748 min11:270 min16 Nov
London05:12 → 04:2011:2148 min11:210 min16 Nov
Durban07:12 → 06:2011:1748 min11:170 min16 Nov
Dubai09:12 → 08:2011:3948 min11:400 min16 Nov
Delhi10:42 → 09:5011:4248 min11:420 min16 Nov
Kolkata10:42 → 09:5010:5748 min10:570 min16 Nov
Singapore13:12 → 12:2012:252 min12:260 min16 Nov
Sydney16:12 → 15:2012:160 min12:1648 min17 Nov
Suva17:12 → 16:2011:270 min11:2748 min17 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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