Ruling · Ṛṣi Pañcamī · 1901

Wednesday 18 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 27 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 Tuesday 17 September

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
Pañcamī begins 13:03:12
11:0111:2511:4912:1312:3713:0113:25

0 of 48 minutes covered

Midday of Wednesday 18 September

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

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 13:03 on Tue 17 Sep to 15:44 on Wed 18 Sep.

    1901-09-17T05:03:13Z → 1901-09-18T07:43:32Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 17th, 11:48–12:36 on the 18th.

    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 17th and 48 of 48 on the 18th.

    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 1598 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1901: Wednesday 18 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1901 falls on Wednesday 18 September. Pañcamī runs from 13:03 on Tue 17 Sep to 15:44 on Wed 18 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1901/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 18 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 18 Sep
compat-drikpanchangComparison profileWed 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles21:03 → 23:4411:2348 min11:230 min17 Sep
Chicago23:03 → 01:4411:2148 min11:200 min17 Sep
Jersey City00:03 → 02:4411:2748 min11:260 min17 Sep
Port of Spain01:03 → 03:4411:3748 min11:360 min17 Sep
London05:03 → 07:4411:3148 min11:300 min17 Sep
Durban06:33 → 09:1410:5748 min10:560 min17 Sep
Dubai08:44 → 11:2511:3048 min11:300 min17 Sep
Delhi10:24 → 13:0511:4348 min11:4248 min17 Sep
Kolkata10:24 → 13:0510:5848 min10:5848 min17 Sep
Singapore11:58 → 14:3911:3020 min11:3048 min18 Sep
Sydney15:03 → 17:4411:260 min11:2648 min18 Sep
Suva16:58 → 19:3911:320 min11:3248 min18 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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