Ruling · Yama Dvitīyā (Bhai Dooj) · 2099

Saturday 14 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 97 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 13 November

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

0 of 48 minutes covered

Midday of Saturday 14 November

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

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 16:35 on Fri 13 Nov to 14:04 on Sat 14 Nov.

    2099-11-13T08:35:01Z → 2099-11-14T06:04:07Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 13th, 11:39–12:27 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 5848 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2099: Saturday 14 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2099 falls on Saturday 14 November. Dvitīyā runs from 16:35 on Fri 13 Nov to 14:04 on Sat 14 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2099/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 14 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 14 Nov
compat-drikpanchangComparison profileSat 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles00:35 → 22:0411:1348 min11:140 min13 Nov
Chicago02:35 → 00:0411:1148 min11:110 min13 Nov
Jersey City03:35 → 01:0411:1748 min11:170 min13 Nov
Port of Spain04:35 → 02:0411:2748 min11:270 min13 Nov
London08:35 → 06:0411:2148 min11:210 min13 Nov
Durban10:35 → 08:0411:1748 min11:170 min13 Nov
Dubai12:35 → 10:0411:390 min11:390 min14 Nov
Delhi14:05 → 11:3411:420 min11:420 min14 Nov
Kolkata14:05 → 11:3410:570 min10:5737 min14 Nov
Singapore16:35 → 14:0412:250 min12:2548 min14 Nov
Sydney19:35 → 17:0412:160 min12:1648 min14 Nov
Suva20:35 → 18:0411:270 min11:2748 min14 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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