Ruling · Ṛṣi Pañcamī · 1908

Tuesday 1 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 142 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 Monday 31 August

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

0 of 48 minutes covered

Midday of Tuesday 1 September

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

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 15:05 on Mon 31 Aug to 16:16 on Tue 1 Sep.

    1908-08-31T07:04:40Z → 1908-09-01T08:16:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 31st, 11:54–12:42 on the 1st.

    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 31st and 48 of 48 on the 1st.

    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 8546 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1908: Tuesday 1 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1908 falls on Tuesday 1 September. Pañcamī runs from 15:05 on Mon 31 Aug to 16:16 on Tue 1 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1908/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 1 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 1 Sep
compat-drikpanchangComparison profileTue 1 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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles23:05 → 00:1611:2948 min11:290 min31 Aug
Chicago01:05 → 02:1611:2648 min11:260 min31 Aug
Jersey City02:05 → 03:1611:3248 min11:320 min31 Aug
Port of Spain03:05 → 04:1611:4248 min11:420 min31 Aug
London07:05 → 08:1611:3648 min11:360 min31 Aug
Durban09:05 → 10:1611:3248 min11:320 min31 Aug
Dubai10:46 → 11:5711:3648 min11:3622 min31 Aug
Delhi12:35 → 13:4611:5711 min11:5748 min1 Sep
Kolkata12:35 → 13:4611:130 min11:1248 min1 Sep
Singapore14:05 → 15:1611:410 min11:4148 min1 Sep
Sydney17:05 → 18:1611:320 min11:3248 min1 Sep
Suva19:00 → 20:1111:380 min11:3848 min1 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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