Ruling · Yama Dvitīyā (Bhai Dooj) · 1964

Friday 6 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 262 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 5 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

Midday of Friday 6 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

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 16:47 on Thu 5 Nov to 18:46 on Fri 6 Nov.

    1964-11-05T08:47:12Z → 1964-11-06T10:46:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 5th, 11:38–12:26 on the 6th.

    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 5th and 48 of 48 on the 6th.

    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 15699 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 1964: Friday 6 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 1964 falls on Friday 6 November. Dvitīyā runs from 16:47 on Thu 5 Nov to 18:46 on Fri 6 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1964/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 6 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 6 Nov
compat-drikpanchangComparison profileFri 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles00:47 → 02:4611:1248 min11:120 min5 Nov
Chicago02:47 → 04:4611:1048 min11:100 min5 Nov
Jersey City03:47 → 05:4611:1648 min11:160 min5 Nov
Port of Spain04:47 → 06:4611:2648 min11:260 min5 Nov
London08:47 → 10:4611:2048 min11:200 min5 Nov
Durban10:47 → 12:4611:1648 min11:1648 min5 Nov
Dubai12:47 → 14:4611:380 min11:3848 min6 Nov
Delhi14:17 → 16:1611:410 min11:4148 min6 Nov
Kolkata14:17 → 16:1610:560 min10:5648 min6 Nov
Singapore16:17 → 18:1611:540 min11:5448 min6 Nov
Sydney18:47 → 20:4611:150 min11:1548 min6 Nov
Suva20:47 → 22:4611:260 min11:2648 min6 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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