Ruling · Yama Dvitīyā (Bhai Dooj) · 1909

Sunday 14 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 16 minutes.

Decide it for

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 14 November

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 11:38  12:26 madhyāhna ends
Dvitīyā begins 12:10:48
10:5011:1411:3812:0212:2612:5013:14

16 of 48 minutes covered, the last 16

Midday of Monday 15 November

Qualifies with 48 of 48 minutes. Not taken.

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 12:11 on Sun 14 Nov to 13:42 on Mon 15 Nov.

    1909-11-14T04:10:49Z → 1909-11-15T05:41:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 14th, 11:39–12:27 on the 15th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 16 of 48 minutes on the 14th and 48 of 48 on the 15th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 933 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 1909: Sunday 14 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 1909 falls on Sunday 14 November. Dvitīyā runs from 12:11 on Sun 14 Nov to 13:42 on Mon 15 Nov and covers 16 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/1909/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 14 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 14 Nov
compat-drikpanchangComparison profileSun 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles20:11 → 21:4211:1348 min11:130 min14 Nov
Chicago22:11 → 23:4211:1148 min11:110 min14 Nov
Jersey City23:11 → 00:4211:1748 min11:170 min14 Nov
Port of Spain00:11 → 01:4211:2748 min11:270 min14 Nov
London04:11 → 05:4211:2148 min11:210 min14 Nov
Durban06:11 → 07:4211:1748 min11:170 min14 Nov
Dubai07:52 → 09:2311:2048 min11:200 min14 Nov
Delhi09:41 → 11:1211:4148 min11:420 min14 Nov
Kolkata09:41 → 11:1210:5748 min10:5715 min14 Nov
Singapore11:11 → 12:4211:2548 min11:2548 min14 Nov
Sydney14:11 → 15:4211:160 min11:1648 min15 Nov
Suva16:06 → 17:3711:220 min11:2248 min15 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