Ruling · Ṛṣi Pañcamī · 1900

Thursday 30 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 517 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 29 August

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

0 of 48 minutes covered

Midday of Thursday 30 August

Taken. The only midday Pañcamī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

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 21:25 on Wed 29 Aug to 23:49 on Thu 30 Aug.

    1900-08-29T13:19:52Z → 1900-08-30T15:44:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 29th, 12:00–12:48 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 0 of 48 minutes on the 29th and 48 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 31022 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1900: Thursday 30 August.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1900 falls on Thursday 30 August. Pañcamī runs from 21:25 on Wed 29 Aug to 23:49 on Thu 30 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1900/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 30 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 30 Aug
compat-drikpanchangComparison profileThu 30 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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles05:20 → 07:4411:3048 min11:290 min29 Aug
Chicago07:20 → 09:4411:2748 min11:270 min29 Aug
Jersey City08:20 → 10:4411:3348 min11:330 min29 Aug
Port of Spain09:20 → 11:4411:4348 min11:431 min29 Aug
London13:20 → 15:4411:370 min11:3748 min30 Aug
Durban14:50 → 17:1411:030 min11:0348 min30 Aug
Dubai17:01 → 19:2511:370 min11:3648 min30 Aug
Delhi18:41 → 21:0511:490 min11:4948 min30 Aug
Kolkata18:41 → 21:0511:040 min11:0448 min30 Aug
Singapore20:15 → 22:3911:370 min11:3648 min30 Aug
Sydney23:20 → 01:4411:320 min11:3248 min30 Aug
Suva01:15 → 03:3911:380 min11:3848 min30 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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