Ruling · Yama Dvitīyā (Bhai Dooj) · 1903

Thursday 22 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 546 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 Wednesday 21 October

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 Thursday 22 October

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 22:15 on Wed 21 Oct to 21:33 on Thu 22 Oct.

    1903-10-21T14:15:28Z → 1903-10-22T13:32:52Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 21st, 11:39–12:27 on the 22nd.

    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 21st and 48 of 48 on the 22nd.

    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 32774 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 1903: Thursday 22 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 1903 falls on Thursday 22 October. Dvitīyā runs from 22:15 on Wed 21 Oct to 21:33 on Thu 22 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1903/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 22 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 22 Oct
compat-drikpanchangComparison profileThu 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles06:15 → 05:3311:1448 min11:130 min21 Oct
Chicago08:15 → 07:3311:1148 min11:110 min21 Oct
Jersey City09:15 → 08:3311:1748 min11:170 min21 Oct
Port of Spain10:15 → 09:3311:2748 min11:270 min21 Oct
London14:15 → 13:3311:210 min11:2148 min22 Oct
Durban16:15 → 15:3311:170 min11:1748 min22 Oct
Dubai17:56 → 17:1411:200 min11:2048 min22 Oct
Delhi19:36 → 18:5411:330 min11:3348 min22 Oct
Kolkata19:36 → 18:5410:480 min10:4848 min22 Oct
Singapore21:10 → 20:2811:210 min11:2048 min22 Oct
Sydney00:15 → 23:3311:160 min11:1648 min22 Oct
Suva02:10 → 01:2811:220 min11:2248 min22 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

About Ahargaṇa