Ruling · Yama Dvitīyā (Bhai Dooj) · 2007

Sunday 11 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 14 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 Sunday 11 November

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

48 of 48 minutes covered

Midday of Monday 12 November

Qualifies with 14 of 48 minutes. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
Dvitīyā ends 11:51:54
10:5011:1411:3812:0212:2612:5013:14

14 of 48 minutes covered, the first 14

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 09:31 on Sun 11 Nov to 11:52 on Mon 12 Nov.

    2007-11-11T01:31:30Z → 2007-11-12T03:51:54Z

  2. 02

    Kāla

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

    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 11th and 14 of 48 on the 12th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 834 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2007: Sunday 11 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2007 falls on Sunday 11 November. Dvitīyā runs from 09:31 on Sun 11 Nov to 11:52 on Mon 12 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 14 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/2007/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 11 Nov
compat-drikpanchangComparison profileSun 11 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles17:31 → 19:5211:1348 min11:130 min11 Nov
Chicago19:31 → 21:5211:1048 min11:110 min11 Nov
Jersey City20:31 → 22:5211:1648 min11:160 min11 Nov
Port of Spain21:31 → 23:5211:2648 min11:260 min11 Nov
London01:31 → 03:5211:2048 min11:200 min11 Nov
Durban03:31 → 05:5211:1648 min11:160 min11 Nov
Dubai05:31 → 07:5211:3948 min11:390 min11 Nov
Delhi07:01 → 09:2211:4148 min11:410 min11 Nov
Kolkata07:01 → 09:2210:5648 min10:570 min11 Nov
Singapore09:31 → 11:5212:2548 min12:250 min11 Nov
Sydney12:31 → 14:5212:1532 min12:1548 min11 Nov
Suva13:31 → 15:5211:260 min11:2648 min12 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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