Ruling · Ṛṣi Pañcamī · 2094

Wednesday 15 September

Boundaryin Baoding, under the Rashtriya Panchang method. Both middays qualify and the authorities the rule cites disagree. 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 Tuesday 14 September

Qualifies with 25 of 48 minutes. Not taken.

madhyāhna begins 11:50  12:38 madhyāhna ends
Pañcamī begins 12:12:58
11:0211:2611:5012:1412:3813:0213:26

25 of 48 minutes covered, the last 25

Midday of Wednesday 15 September

Taken. Both middays qualify; the rule is silent, and this one is covered longer.

madhyāhna begins 11:49  12:37 madhyāhna ends
Pañcamī ends 13:16:29
11:0111:2511:4912:1312:3713:0113:25

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 12:13 on Tue 14 Sep to 13:16 on Wed 15 Sep.

    2094-09-14T04:12:58Z → 2094-09-15T05:16:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 14th, 11:49–12:37 on the 15th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 25 of 48 minutes on the 14th and 48 of 48 on the 15th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Both middays qualify and the cited authorities disagree. The one covered longer is ruled, as a boundary.

    priority: disputed → greater-coverage · margin 1396 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 2094: Wednesday 15 September.

    confidence: boundary (tie-break-disputed)

Say it like this

In Baoding, Ṛṣi Pañcamī 2094 falls on Wednesday 15 September. Pañcamī runs from 12:13 on Tue 14 Sep to 13:16 on Wed 15 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 25 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/2094/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 15 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 15 Sep
compat-drikpanchangComparison profileWed 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles21:13 → 22:1612:2448 min12:240 min14 Sep
Chicago23:13 → 00:1612:2248 min12:220 min14 Sep
Jersey City00:13 → 01:1612:2848 min12:270 min14 Sep
Port of Spain00:13 → 01:1611:3848 min11:370 min14 Sep
London05:13 → 06:1612:3248 min12:310 min14 Sep
Durban06:13 → 07:1611:2848 min11:280 min14 Sep
Dubai08:13 → 09:1611:5048 min11:500 min14 Sep
Delhi09:43 → 10:4611:5348 min11:520 min14 Sep
Kolkata09:43 → 10:4611:0848 min11:080 min14 Sep
Singapore12:13 → 13:1612:3648 min12:3640 min14 Sep
Sydney14:13 → 15:1611:270 min11:2748 min15 Sep
Suva16:13 → 17:1611:380 min11:3848 min15 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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