Ruling · Ṛṣi Pañcamī · 1920

Friday 17 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 354 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 16 September

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

0 of 48 minutes covered

Midday of Friday 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

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 18:31 on Thu 16 Sep to 19:41 on Fri 17 Sep.

    1920-09-16T10:30:42Z → 1920-09-17T11:41:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 16th, 11:48–12:36 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 21233 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1920: Friday 17 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1920 falls on Friday 17 September. Pañcamī runs from 18:31 on Thu 16 Sep to 19:41 on Fri 17 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1920/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 17 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 17 Sep
compat-drikpanchangComparison profileFri 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles02:31 → 03:4111:2348 min11:230 min16 Sep
Chicago05:31 → 06:4112:2148 min12:210 min16 Sep
Jersey City06:31 → 07:4112:2748 min12:260 min16 Sep
Port of Spain06:31 → 07:4111:3748 min11:360 min16 Sep
London11:31 → 12:4112:3148 min12:3111 min16 Sep
Durban12:31 → 13:4111:270 min11:2748 min17 Sep
Dubai14:31 → 15:4111:500 min11:4948 min17 Sep
Delhi16:01 → 17:1111:520 min11:5148 min17 Sep
Kolkata16:01 → 17:1111:070 min11:0748 min17 Sep
Singapore17:31 → 18:4111:360 min11:3548 min17 Sep
Sydney20:31 → 21:4111:260 min11:2648 min17 Sep
Suva22:31 → 23:4111:370 min11:3748 min17 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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