Ruling · Yama Dvitīyā (Bhai Dooj) · 1910

Friday 4 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 8 min 44 s.

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 3 November

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
Dvitīyā begins 12:34:18
10:5011:1411:3812:0212:2612:5013:14

0 of 48 minutes covered

Midday of Friday 4 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 12:34 on Thu 3 Nov to 15:18 on Fri 4 Nov.

    1910-11-03T04:34:18Z → 1910-11-04T07:17:55Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 3rd, 11:38–12:26 on the 4th.

    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 3rd and 48 of 48 on the 4th.

    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 524 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 1910: Friday 4 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 1910 falls on Friday 4 November. Dvitīyā runs from 12:34 on Thu 3 Nov to 15:18 on Fri 4 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1910/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 4 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 4 Nov
compat-drikpanchangComparison profileThu 3 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles20:34 → 23:1811:1248 min11:120 min3 Nov
Chicago22:34 → 01:1811:1048 min11:100 min3 Nov
Jersey City23:34 → 02:1811:1648 min11:160 min3 Nov
Port of Spain00:34 → 03:1811:2648 min11:260 min3 Nov
London04:34 → 07:1811:2048 min11:200 min3 Nov
Durban06:34 → 09:1811:1648 min11:160 min3 Nov
Dubai08:15 → 10:5911:1948 min11:190 min3 Nov
Delhi10:04 → 12:4811:4148 min11:4148 min3 Nov
Kolkata10:04 → 12:4810:5648 min10:5648 min3 Nov
Singapore11:34 → 14:1811:2438 min11:2448 min3 Nov
Sydney14:34 → 17:1811:150 min11:1548 min4 Nov
Suva16:29 → 19:1311:210 min11:2148 min4 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

About Ahargaṇa