Ruling · Ṛṣi Pañcamī · 2087

Tuesday 2 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 268 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 Monday 1 September

Pañcamī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Tuesday 2 September

Taken. The only midday Pañcamī reaches.

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 17:11 on Mon 1 Sep to 19:29 on Tue 2 Sep.

    2087-09-01T09:10:31Z → 2087-09-02T11:29:19Z

  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 0 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

    Only one midday qualifies. No tie-break is needed.

    priority: disputed → only-day · margin 16098 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 2087: Tuesday 2 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 2087 falls on Tuesday 2 September. Pañcamī runs from 17:11 on Mon 1 Sep to 19:29 on Tue 2 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2087/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 2 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 2 Sep
compat-drikpanchangComparison profileTue 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 Angeles02:11 → 04:2912:2948 min12:290 min1 Sep
Chicago04:11 → 06:2912:2648 min12:260 min1 Sep
Jersey City05:11 → 07:2912:3248 min12:320 min1 Sep
Port of Spain05:11 → 07:2911:4248 min11:420 min1 Sep
London10:11 → 12:2912:3648 min12:360 min1 Sep
Durban11:11 → 13:2911:3248 min11:3248 min1 Sep
Dubai13:11 → 15:2911:550 min11:5548 min2 Sep
Delhi14:41 → 16:5911:570 min11:5748 min2 Sep
Kolkata14:41 → 16:5911:130 min11:1248 min2 Sep
Singapore17:11 → 19:2912:410 min12:4148 min2 Sep
Sydney19:11 → 21:2911:320 min11:3248 min2 Sep
Suva21:11 → 23:2911:430 min11:4348 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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