Ruling · Yama Dvitīyā (Bhai Dooj) · 2039

Thursday 17 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 79 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 17 November

Taken. The only midday Dvitīyā reaches.

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

48 of 48 minutes covered

Midday of Friday 18 November

Dvitīyā is absent from madhyāhna. Not taken.

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

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 10:20 on Thu 17 Nov to 06:52 on Fri 18 Nov.

    2039-11-17T02:20:03Z → 2039-11-17T22:52:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:39–12:27 on the 18th.

    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 17th and 0 of 48 on the 18th.

    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 4727 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2039: Thursday 17 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2039 falls on Thursday 17 November. Dvitīyā runs from 10:20 on Thu 17 Nov to 06:52 on Fri 18 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2039/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 17 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 17 Nov
compat-drikpanchangComparison profileThu 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles18:20 → 14:5211:1448 min11:140 min17 Nov
Chicago20:20 → 16:5211:1148 min11:120 min17 Nov
Jersey City21:20 → 17:5211:1748 min11:170 min17 Nov
Port of Spain22:20 → 18:5211:2748 min11:270 min17 Nov
London02:20 → 22:5211:2148 min11:210 min17 Nov
Durban04:20 → 00:5211:1748 min11:170 min17 Nov
Dubai06:20 → 02:5211:4048 min11:400 min17 Nov
Delhi07:50 → 04:2211:4248 min11:420 min17 Nov
Kolkata07:50 → 04:2210:5748 min10:580 min17 Nov
Singapore10:20 → 06:5212:2548 min12:260 min17 Nov
Sydney13:20 → 09:5212:160 min12:160 min18 Nov
Suva14:20 → 10:5211:270 min11:270 min18 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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