Ruling · Yama Dvitīyā (Bhai Dooj) · 2041

Saturday 26 October

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 0 min 39 s away. Say “contested”.

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 Saturday 26 October

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 Sunday 27 October

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
Dvitīyā ends 11:37:08
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 10:47 on Sat 26 Oct to 11:37 on Sun 27 Oct.

    2041-10-26T02:47:04Z → 2041-10-27T03:37:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 26th, 11:38–12:26 on the 27th.

    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 26th and 0 of 48 on the 27th.

    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 39 s < 300 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2041: Saturday 26 October.

    confidence: boundary (margin)

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2041 falls on Saturday 26 October. Dvitīyā runs from 10:47 on Sat 26 Oct to 11:37 on Sun 27 Oct and covers all of madhyāhna that midday. It is 0 min 39 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2041/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 26 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 26 Oct
compat-drikpanchangComparison profileSat 26 Oct
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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles19:47 → 20:3712:1348 min12:130 min26 Oct
Chicago21:47 → 22:3712:1048 min12:100 min26 Oct
Jersey City22:47 → 23:3712:1648 min12:160 min26 Oct
Port of Spain22:47 → 23:3711:2648 min11:260 min26 Oct
London03:47 → 03:3712:2048 min11:200 min26 Oct
Durban04:47 → 05:3711:1648 min11:160 min26 Oct
Dubai06:47 → 07:3711:3948 min11:380 min26 Oct
Delhi08:17 → 09:0711:4148 min11:410 min26 Oct
Kolkata08:17 → 09:0710:5648 min10:560 min26 Oct
Singapore10:47 → 11:3712:2548 min12:240 min26 Oct
Sydney13:47 → 14:3712:150 min12:1548 min27 Oct
Suva14:47 → 15:3711:260 min11:2648 min27 Oct
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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