Ruling · Ṛṣi Pañcamī · 1937

Thursday 9 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 71 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 9 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 10 September

Pañcamī is absent from madhyāhna. Not taken.

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 08:41 on Thu 9 Sep to 10:40 on Fri 10 Sep.

    1937-09-09T00:41:18Z → 1937-09-10T02:39:56Z

  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 48 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

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

    priority: disputed → only-day · margin 4263 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1937: Thursday 9 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1937 falls on Thursday 9 September. Pañcamī runs from 08:41 on Thu 9 Sep to 10:40 on Fri 10 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1937/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 9 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 9 Sep
compat-drikpanchangComparison profileThu 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 Angeles16:41 → 18:4011:2648 min11:260 min9 Sep
Chicago19:41 → 21:4012:2448 min12:230 min9 Sep
Jersey City20:41 → 22:4012:2948 min12:290 min9 Sep
Port of Spain20:41 → 22:4011:3948 min11:390 min9 Sep
London01:41 → 03:4012:3348 min12:330 min9 Sep
Durban02:41 → 04:4011:3048 min11:290 min9 Sep
Dubai04:41 → 06:4011:5248 min11:520 min9 Sep
Delhi06:11 → 08:1011:5448 min11:540 min9 Sep
Kolkata06:11 → 08:1011:1048 min11:100 min9 Sep
Singapore08:01 → 10:0011:5848 min11:580 min9 Sep
Sydney10:41 → 12:4011:2948 min11:2948 min9 Sep
Suva12:41 → 14:4011:400 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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