Ruling · Ṛṣi Pañcamī · 2012

Thursday 20 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 516 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 Wednesday 19 September

Pañcamī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Thursday 20 September

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

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 23:46 on Wed 19 Sep to 21:11 on Thu 20 Sep.

    2012-09-19T15:45:57Z → 2012-09-20T13:11:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 19th, 11:47–12:35 on the 20th.

    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 19th and 48 of 48 on the 20th.

    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 30955 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 2012: Thursday 20 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 2012 falls on Thursday 20 September. Pañcamī runs from 23:46 on Wed 19 Sep to 21:11 on Thu 20 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2012/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 20 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 20 Sep
compat-drikpanchangComparison profileThu 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles08:46 → 06:1112:2248 min12:220 min19 Sep
Chicago10:46 → 08:1112:2048 min12:190 min19 Sep
Jersey City11:46 → 09:1112:2648 min12:250 min19 Sep
Port of Spain11:46 → 09:1111:3638 min11:350 min19 Sep
London16:46 → 14:1112:300 min12:2948 min20 Sep
Durban17:46 → 15:1111:260 min11:2548 min20 Sep
Dubai19:46 → 17:1111:480 min11:4848 min20 Sep
Delhi21:16 → 18:4111:510 min11:5048 min20 Sep
Kolkata21:16 → 18:4111:060 min11:0648 min20 Sep
Singapore23:46 → 21:1112:340 min12:3448 min20 Sep
Sydney01:46 → 23:1111:250 min11:2548 min20 Sep
Suva03:46 → 01:1111:360 min11:3648 min20 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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