Ruling · Yama Dvitīyā (Bhai Dooj) · 1907

Thursday 7 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 428 minutes.

Decide it for

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 7 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 Friday 8 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 04:30 on Thu 7 Nov to 02:05 on Fri 8 Nov.

    1907-11-06T20:29:43Z → 1907-11-07T18:05:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 7th, 11:38–12:26 on the 8th.

    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 7th and 0 of 48 on the 8th.

    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 25675 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 1907: Thursday 7 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 1907 falls on Thursday 7 November. Dvitīyā runs from 04:30 on Thu 7 Nov to 02:05 on Fri 8 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1907/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 7 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 7 Nov
compat-drikpanchangComparison profileThu 7 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles12:30 → 10:0511:120 min11:130 min7 Nov
Chicago14:30 → 12:0511:100 min11:1048 min7 Nov
Jersey City15:30 → 13:0511:160 min11:1648 min7 Nov
Port of Spain16:30 → 14:0511:260 min11:2648 min7 Nov
London20:30 → 18:0511:200 min11:2048 min7 Nov
Durban22:30 → 20:0511:160 min11:1648 min7 Nov
Dubai00:11 → 21:4611:190 min11:1948 min7 Nov
Delhi02:00 → 23:3511:410 min11:4148 min7 Nov
Kolkata02:00 → 23:3510:560 min10:5648 min7 Nov
Singapore03:30 → 01:0511:240 min11:2448 min7 Nov
Sydney06:30 → 04:0511:150 min11:1548 min7 Nov
Suva08:25 → 06:0011:210 min11:2148 min7 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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