Ruling · Yama Dvitīyā (Bhai Dooj) · 1912

Sunday 10 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 131 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 Sunday 10 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 Monday 11 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 09:27 on Sun 10 Nov to 09:21 on Mon 11 Nov.

    1912-11-10T01:26:43Z → 1912-11-11T01:21:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 10th, 11:38–12:26 on the 11th.

    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 10th and 0 of 48 on the 11th.

    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 7870 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 1912: Sunday 10 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 1912 falls on Sunday 10 November. Dvitīyā runs from 09:27 on Sun 10 Nov to 09:21 on Mon 11 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1912/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 10 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 10 Nov
compat-drikpanchangComparison profileSun 10 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles17:27 → 17:2111:1348 min11:130 min10 Nov
Chicago19:27 → 19:2111:1048 min11:100 min10 Nov
Jersey City20:27 → 20:2111:1648 min11:160 min10 Nov
Port of Spain21:27 → 21:2111:2648 min11:260 min10 Nov
London01:27 → 01:2111:2048 min11:200 min10 Nov
Durban03:27 → 03:2111:1648 min11:160 min10 Nov
Dubai05:08 → 05:0211:2048 min11:200 min10 Nov
Delhi06:57 → 06:5111:4148 min11:410 min10 Nov
Kolkata06:57 → 06:5110:5648 min10:560 min10 Nov
Singapore08:27 → 08:2111:2548 min11:250 min10 Nov
Sydney11:27 → 11:2111:1537 min11:156 min10 Nov
Suva13:22 → 13:1611:210 min11:2148 min11 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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