Ruling · Ṛṣi Pañcamī · 1977

Saturday 17 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 94 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 Saturday 17 September

Taken. The only midday Pañcamī reaches.

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

48 of 48 minutes covered

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

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 10:15 on Sat 17 Sep to 07:59 on Sun 18 Sep.

    1977-09-17T02:14:41Z → 1977-09-17T23:59:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 17th, 11:48–12:36 on the 18th.

    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 17th and 0 of 48 on the 18th.

    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 5626 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1977: Saturday 17 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1977 falls on Saturday 17 September. Pañcamī runs from 10:15 on Sat 17 Sep to 07:59 on Sun 18 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1977/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 17 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 17 Sep
compat-drikpanchangComparison profileSat 17 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles19:15 → 16:5912:2348 min12:230 min17 Sep
Chicago21:15 → 18:5912:2148 min12:200 min17 Sep
Jersey City22:15 → 19:5912:2648 min12:260 min17 Sep
Port of Spain22:15 → 19:5911:3648 min11:360 min17 Sep
London03:15 → 00:5912:3148 min12:300 min17 Sep
Durban04:15 → 01:5911:2748 min11:260 min17 Sep
Dubai06:15 → 03:5911:4948 min11:490 min17 Sep
Delhi07:45 → 05:2911:5148 min11:510 min17 Sep
Kolkata07:45 → 05:2911:0748 min11:070 min17 Sep
Singapore09:45 → 07:2912:0548 min12:050 min17 Sep
Sydney12:15 → 09:5911:260 min11:260 min18 Sep
Suva14:15 → 11:5911:370 min11:3723 min18 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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