Ruling · Ṛṣi Pañcamī · 1975

Wednesday 10 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 34 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 9 September

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Pañcamī begins 13:13:20
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Midday of Wednesday 10 September

Taken. Pañcamī reaches neither midday; the rule takes the second day.

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

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 13:13 on Tue 9 Sep to 10:50 on Wed 10 Sep.

    1975-09-09T05:13:20Z → 1975-09-10T02:50:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 9th, 11:51–12:39 on the 10th.

    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 9th and 0 of 48 on the 10th.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: disputed → second-day · margin 2034 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1975: Wednesday 10 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1975 falls on Wednesday 10 September. Pañcamī runs from 13:13 on Tue 9 Sep to 10:50 on Wed 10 Sep, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/1975/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 10 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 10 Sep
compat-drikpanchangComparison profileTue 9 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles22:13 → 19:5012:2648 min12:260 min9 Sep
Chicago00:13 → 21:5012:2448 min12:230 min9 Sep
Jersey City01:13 → 22:5012:2948 min12:290 min9 Sep
Port of Spain01:13 → 22:5011:3948 min11:390 min9 Sep
London06:13 → 03:5012:3348 min12:330 min9 Sep
Durban07:13 → 04:5011:3048 min11:290 min9 Sep
Dubai09:13 → 06:5011:5248 min11:520 min9 Sep
Delhi10:43 → 08:2011:5448 min11:540 min9 Sep
Kolkata10:43 → 08:2011:1048 min11:100 min9 Sep
Singapore12:43 → 10:2012:0813 min12:080 min9 Sep
Sydney15:13 → 12:5011:290 min11:2948 min10 Sep
Suva17:13 → 14:5011:400 min11:4048 min10 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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