Ruling · Ṛṣi Pañcamī · 1973

Saturday 1 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 293 minutes.

Decide it for

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 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

Midday of Sunday 2 September

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

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 06:29 on Sat 1 Sep to 07:01 on Sun 2 Sep.

    1973-08-31T22:28:46Z → 1973-09-01T23:00:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 1st, 11:54–12:42 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 17568 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1973: Saturday 1 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1973 falls on Saturday 1 September. Pañcamī runs from 06:29 on Sat 1 Sep to 07:01 on Sun 2 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1973/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 1 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 1 Sep
compat-drikpanchangComparison profileSat 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 Angeles15:29 → 16:0112:290 min12:2948 min1 Sep
Chicago17:29 → 18:0112:260 min12:2648 min1 Sep
Jersey City18:29 → 19:0112:320 min12:3248 min1 Sep
Port of Spain18:29 → 19:0111:420 min11:4248 min1 Sep
London23:29 → 00:0112:360 min12:3648 min1 Sep
Durban00:29 → 01:0111:320 min11:3248 min1 Sep
Dubai02:29 → 03:0111:550 min11:5548 min1 Sep
Delhi03:59 → 04:3111:570 min11:5748 min1 Sep
Kolkata03:59 → 04:3111:130 min11:1248 min1 Sep
Singapore05:59 → 06:3112:110 min12:1148 min1 Sep
Sydney08:29 → 09:0111:320 min11:3248 min1 Sep
Suva10:29 → 11:0111:430 min11:4348 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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