Ruling · Ṛṣi Pañcamī · 2068

Sunday 2 September

Boundaryin Baoding, under the Rashtriya Panchang method. Both middays qualify and the authorities the rule cites disagree. Say “contested”.

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 Saturday 1 September

Qualifies with 26 of 48 minutes. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
Pañcamī begins 12:15:51
11:0611:3011:5412:1812:4213:0613:30

26 of 48 minutes covered, the last 26

Midday of Sunday 2 September

Taken. Both middays qualify; the rule is silent, and this one is covered longer.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

48 of 48 minutes covered

Pañcamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 12:16 on Sat 1 Sep to 14:33 on Sun 2 Sep.

    2068-09-01T04:15:52Z → 2068-09-02T06:32:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 1st, 11:54–12:42 on the 2nd.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 26 of 48 minutes on the 1st and 48 of 48 on the 2nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Both middays qualify and the cited authorities disagree. The one covered longer is ruled, as a boundary.

    priority: disputed → greater-coverage · margin 1320 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 2068: Sunday 2 September.

    confidence: boundary (tie-break-disputed)

Say it like this

In Baoding, Ṛṣi Pañcamī 2068 falls on Sunday 2 September. Pañcamī runs from 12:16 on Sat 1 Sep to 14:33 on Sun 2 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 26 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/2068/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 2 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 2 Sep
compat-drikpanchangComparison profileSun 2 Sep
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/rishi-panchami · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Disputed
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles21:16 → 23:3312:2948 min12:280 min1 Sep
Chicago23:16 → 01:3312:2648 min12:260 min1 Sep
Jersey City00:16 → 02:3312:3248 min12:320 min1 Sep
Port of Spain00:16 → 02:3311:4248 min11:420 min1 Sep
London05:16 → 07:3312:3648 min12:360 min1 Sep
Durban06:16 → 08:3311:3248 min11:320 min1 Sep
Dubai08:16 → 10:3311:5548 min11:540 min1 Sep
Delhi09:46 → 12:0311:5748 min11:576 min1 Sep
Kolkata09:46 → 12:0311:1248 min11:1248 min1 Sep
Singapore12:16 → 14:3312:4148 min12:4048 min1 Sep
Sydney14:16 → 16:3311:310 min11:3148 min2 Sep
Suva16:16 → 18:3311:430 min11:4248 min2 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rishi-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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