Ruling · Ṛṣi Pañcamī · 2065

Saturday 5 September

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 1 min 46 s away. Say “contested”.

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 Friday 4 September

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

0 of 48 minutes covered

Midday of Saturday 5 September

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
Pañcamī ends 12:42:22
11:0511:2911:5312:1712:4113:0513:29

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 15:19 on Fri 4 Sep to 12:42 on Sat 5 Sep.

    2065-09-04T07:18:58Z → 2065-09-05T04:42:22Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 4th, 11:53–12:41 on the 5th.

    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 4th and 48 of 48 on the 5th.

    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 106 s < 300 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 2065: Saturday 5 September.

    confidence: boundary (margin)

Say it like this

In Baoding, Ṛṣi Pañcamī 2065 falls on Saturday 5 September. Pañcamī runs from 15:19 on Fri 4 Sep to 12:42 on Sat 5 Sep and covers all of madhyāhna that midday. It is 1 min 46 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2065/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 5 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 5 Sep
compat-drikpanchangComparison profileSat 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles00:19 → 21:4212:2848 min12:270 min4 Sep
Chicago02:19 → 23:4212:2548 min12:250 min4 Sep
Jersey City03:19 → 00:4212:3148 min12:310 min4 Sep
Port of Spain03:19 → 00:4211:4148 min11:410 min4 Sep
London08:19 → 05:4212:3548 min12:350 min4 Sep
Durban09:19 → 06:4211:3148 min11:310 min4 Sep
Dubai11:19 → 08:4211:5448 min11:530 min4 Sep
Delhi12:49 → 10:1211:560 min11:560 min5 Sep
Kolkata12:49 → 10:1211:110 min11:110 min5 Sep
Singapore15:19 → 12:4212:400 min12:393 min5 Sep
Sydney17:19 → 14:4211:310 min11:3048 min5 Sep
Suva19:19 → 16:4211:420 min11:4148 min5 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

About Ahargaṇa