Ruling · Ṛṣi Pañcamī · 1966

Monday 19 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 11 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 Sunday 18 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 Monday 19 September

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:48  12:36 madhyāhna ends
Pañcamī ends 11:58:45
11:0011:2411:4812:1212:3613:0013:24

11 of 48 minutes covered, the first 11

Pañcamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 13:56 on Sun 18 Sep to 11:59 on Mon 19 Sep.

    1966-09-18T05:56:24Z → 1966-09-19T03:58:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 18th, 11:48–12:36 on the 19th.

    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 18th and 11 of 48 on the 19th.

    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 654 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1966: Monday 19 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1966 falls on Monday 19 September. Pañcamī runs from 13:56 on Sun 18 Sep to 11:59 on Mon 19 Sep and covers 11 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/1966/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 19 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 19 Sep
compat-drikpanchangComparison profileMon 19 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles22:56 → 20:5912:2348 min12:230 min18 Sep
Chicago00:56 → 22:5912:2048 min12:200 min18 Sep
Jersey City01:56 → 23:5912:2648 min12:260 min18 Sep
Port of Spain01:56 → 23:5911:3648 min11:360 min18 Sep
London06:56 → 04:5912:3048 min12:300 min18 Sep
Durban07:56 → 05:5911:2648 min11:260 min18 Sep
Dubai09:56 → 07:5911:4948 min11:490 min18 Sep
Delhi11:26 → 09:2911:5148 min11:510 min18 Sep
Kolkata11:26 → 09:2911:0728 min11:060 min18 Sep
Singapore13:26 → 11:2912:050 min12:050 min19 Sep
Sydney15:56 → 13:5911:260 min11:2548 min19 Sep
Suva17:56 → 15:5911:370 min11:3748 min19 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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