Ruling · Ṛṣi Pañcamī · 1957

Thursday 29 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 383 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 29 August

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

48 of 48 minutes covered

Midday of Friday 30 August

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

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 05:32 on Thu 29 Aug to 03:13 on Fri 30 Aug.

    1957-08-28T21:31:35Z → 1957-08-29T19:12:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 29th, 11:55–12:43 on the 30th.

    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 29th and 0 of 48 on the 30th.

    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 22995 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1957: Thursday 29 August.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1957 falls on Thursday 29 August. Pañcamī runs from 05:32 on Thu 29 Aug to 03:13 on Fri 30 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1957/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 29 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 29 Aug
compat-drikpanchangComparison profileThu 29 Aug
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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles14:32 → 12:1312:300 min12:300 min29 Aug
Chicago16:32 → 14:1312:270 min12:2748 min29 Aug
Jersey City17:32 → 15:1312:330 min12:3348 min29 Aug
Port of Spain17:32 → 15:1311:430 min11:4348 min29 Aug
London22:32 → 20:1312:370 min12:3748 min29 Aug
Durban23:32 → 21:1311:330 min11:3348 min29 Aug
Dubai01:32 → 23:1311:560 min11:5648 min29 Aug
Delhi03:02 → 00:4311:580 min11:5848 min29 Aug
Kolkata03:02 → 00:4311:140 min11:1348 min29 Aug
Singapore05:02 → 02:4312:120 min12:1248 min29 Aug
Sydney07:32 → 05:1311:330 min11:3248 min29 Aug
Suva09:32 → 07:1311:440 min11:4348 min29 Aug
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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