Ruling · Ṛṣi Pañcamī · 2037

Sunday 13 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 18 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 Sunday 13 September

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:50  12:38 madhyāhna ends
Pañcamī begins 12:07:40
11:0211:2611:5012:1412:3813:0213:26

30 of 48 minutes covered, the last 30

Midday of Monday 14 September

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

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 12:08 on Sun 13 Sep to 09:37 on Mon 14 Sep.

    2037-09-13T04:07:40Z → 2037-09-14T01:37:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 13th, 11:49–12:37 on the 14th.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 30 of 48 minutes on the 13th and 0 of 48 on the 14th.

    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 1074 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 2037: Sunday 13 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 2037 falls on Sunday 13 September. Pañcamī runs from 12:08 on Sun 13 Sep to 09:37 on Mon 14 Sep and covers 30 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/2037/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 13 Sep
compat-drikpanchangComparison profileSun 13 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles21:08 → 18:3712:2448 min12:240 min13 Sep
Chicago23:08 → 20:3712:2248 min12:220 min13 Sep
Jersey City00:08 → 21:3712:2848 min12:270 min13 Sep
Port of Spain00:08 → 21:3711:3848 min11:370 min13 Sep
London05:08 → 02:3712:3248 min12:310 min13 Sep
Durban06:08 → 03:3711:2848 min11:280 min13 Sep
Dubai08:08 → 05:3711:5048 min11:500 min13 Sep
Delhi09:38 → 07:0711:5348 min11:520 min13 Sep
Kolkata09:38 → 07:0711:0848 min11:080 min13 Sep
Singapore12:08 → 09:3712:3748 min12:360 min13 Sep
Sydney14:08 → 11:3711:270 min11:2710 min14 Sep
Suva16:08 → 13:3711:380 min11:3848 min14 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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