Ruling · Yama Dvitīyā (Bhai Dooj) · 2055

Friday 22 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 8 min 26 s.

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 Thursday 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 Friday 22 October

Taken. Dvitīyā reaches neither midday; the rule takes the second day.

madhyāhna begins 11:38  12:26 madhyāhna ends
Dvitīyā ends 11:30:01
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 15:02 on Thu 21 Oct to 11:30 on Fri 22 Oct.

    2055-10-21T07:01:42Z → 2055-10-22T03:30:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 21st, 11:38–12:26 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 0 of 48 on the 22nd.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 506 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2055: Friday 22 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2055 falls on Friday 22 October. Dvitīyā runs from 15:02 on Thu 21 Oct to 11:30 on Fri 22 Oct, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2055/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 22 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 22 Oct
compat-drikpanchangComparison profileFri 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 Angeles00:02 → 20:3012:1348 min12:130 min21 Oct
Chicago02:02 → 22:3012:1148 min12:110 min21 Oct
Jersey City03:02 → 23:3012:1748 min12:170 min21 Oct
Port of Spain03:02 → 23:3011:2748 min11:270 min21 Oct
London08:02 → 04:3012:2148 min12:210 min21 Oct
Durban09:02 → 05:3011:1748 min11:170 min21 Oct
Dubai11:02 → 07:3011:3948 min11:390 min21 Oct
Delhi12:32 → 09:0011:420 min11:410 min22 Oct
Kolkata12:32 → 09:0010:570 min10:570 min22 Oct
Singapore15:02 → 11:3012:250 min12:250 min22 Oct
Sydney18:02 → 14:3012:160 min12:1648 min22 Oct
Suva19:02 → 15:3011:270 min11:2748 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

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