Ruling · Ṛṣi Pañcamī · 1907

Thursday 12 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 430 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 Thursday 12 September

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Friday 13 September

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:50  12:38 madhyāhna ends
11:0211:2611:5012:1412:3813:0213:26

0 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 04:40 on Thu 12 Sep to 03:37 on Fri 13 Sep.

    1907-09-11T20:40:10Z → 1907-09-12T19:36:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 12th, 11:50–12:38 on the 13th.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.

    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 25821 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1907: Thursday 12 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1907 falls on Thursday 12 September. Pañcamī runs from 04:40 on Thu 12 Sep to 03:37 on Fri 13 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1907/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 12 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 12 Sep
compat-drikpanchangComparison profileThu 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles12:40 → 11:3711:260 min11:2512 min12 Sep
Chicago14:40 → 13:3711:230 min11:2348 min12 Sep
Jersey City15:40 → 14:3711:290 min11:2848 min12 Sep
Port of Spain16:40 → 15:3711:390 min11:3948 min12 Sep
London20:40 → 19:3711:330 min11:3348 min12 Sep
Durban22:40 → 21:3711:290 min11:2948 min12 Sep
Dubai00:21 → 23:1811:330 min11:3248 min12 Sep
Delhi02:10 → 01:0711:540 min11:5448 min12 Sep
Kolkata02:10 → 01:0711:090 min11:0948 min12 Sep
Singapore03:40 → 02:3711:380 min11:3748 min12 Sep
Sydney06:40 → 05:3711:280 min11:2848 min12 Sep
Suva08:35 → 07:3211:350 min11:3448 min12 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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