Ruling · Yama Dvitīyā (Bhai Dooj) · 2008

Thursday 30 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 50 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 Thursday 30 October

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 Friday 31 October

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 08:49 on Thu 30 Oct to 10:47 on Fri 31 Oct.

    2008-10-30T00:48:42Z → 2008-10-31T02:47:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 30th, 11:38–12:26 on the 31st.

    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 30th and 0 of 48 on the 31st.

    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 3029 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2008: Thursday 30 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2008 falls on Thursday 30 October. Dvitīyā runs from 08:49 on Thu 30 Oct to 10:47 on Fri 31 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2008/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 30 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 30 Oct
compat-drikpanchangComparison profileThu 30 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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles17:49 → 19:4712:1248 min12:120 min30 Oct
Chicago19:49 → 21:4712:1048 min12:100 min30 Oct
Jersey City20:49 → 22:4712:1648 min12:160 min30 Oct
Port of Spain20:49 → 22:4711:2648 min11:260 min30 Oct
London00:49 → 02:4711:2048 min11:200 min30 Oct
Durban02:49 → 04:4711:1648 min11:160 min30 Oct
Dubai04:49 → 06:4711:3848 min11:380 min30 Oct
Delhi06:19 → 08:1711:4148 min11:410 min30 Oct
Kolkata06:19 → 08:1710:5648 min10:560 min30 Oct
Singapore08:49 → 10:4712:2448 min12:240 min30 Oct
Sydney11:49 → 13:4712:1548 min12:1548 min30 Oct
Suva12:49 → 14:4711:260 min11:2648 min31 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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