Ruling · Yama Dvitīyā (Bhai Dooj) · 1920

Friday 12 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 501 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 Friday 12 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 Saturday 13 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 01:28 on Fri 12 Nov to 03:17 on Sat 13 Nov.

    1920-11-11T17:28:14Z → 1920-11-12T19:16:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 12th, 11:38–12:26 on the 13th.

    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 12th and 0 of 48 on the 13th.

    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 30082 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 1920: Friday 12 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 1920 falls on Friday 12 November. Dvitīyā runs from 01:28 on Fri 12 Nov to 03:17 on Sat 13 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1920/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 12 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 12 Nov
compat-drikpanchangComparison profileFri 12 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 Angeles09:28 → 11:1711:1348 min11:134 min11 Nov
Chicago11:28 → 13:1711:1030 min11:1148 min11 Nov
Jersey City12:28 → 14:1711:160 min11:1648 min12 Nov
Port of Spain13:28 → 15:1711:260 min11:2648 min12 Nov
London17:28 → 19:1711:200 min11:2048 min12 Nov
Durban19:28 → 21:1711:160 min11:1648 min12 Nov
Dubai21:28 → 23:1711:390 min11:3948 min12 Nov
Delhi22:58 → 00:4711:410 min11:4148 min12 Nov
Kolkata22:58 → 00:4710:570 min10:5748 min12 Nov
Singapore00:28 → 02:1711:250 min11:2548 min12 Nov
Sydney03:28 → 05:1711:150 min11:1648 min12 Nov
Suva05:28 → 07:1711:260 min11:2748 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

About Ahargaṇa