Ruling · Ṛṣi Pañcamī · 1981

Thursday 3 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 505 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 Thursday 3 September

Taken. The only midday Pañcamī reaches.

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

48 of 48 minutes covered

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

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 01:30 on Thu 3 Sep to 03:28 on Fri 4 Sep.

    1981-09-02T17:29:38Z → 1981-09-03T19:27:37Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 3rd, 11:53–12:41 on the 4th.

    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 3rd and 0 of 48 on the 4th.

    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 30318 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1981: Thursday 3 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1981 falls on Thursday 3 September. Pañcamī runs from 01:30 on Thu 3 Sep to 03:28 on Fri 4 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1981/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 3 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 3 Sep
compat-drikpanchangComparison profileThu 3 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles10:30 → 12:2812:2848 min12:280 min2 Sep
Chicago12:30 → 14:2812:2644 min12:2548 min3 Sep
Jersey City13:30 → 15:2812:320 min12:3148 min3 Sep
Port of Spain13:30 → 15:2811:420 min11:4148 min3 Sep
London18:30 → 20:2812:360 min12:3548 min3 Sep
Durban19:30 → 21:2811:320 min11:3148 min3 Sep
Dubai21:30 → 23:2811:540 min11:5448 min3 Sep
Delhi23:00 → 00:5811:570 min11:5648 min3 Sep
Kolkata23:00 → 00:5811:120 min11:1248 min3 Sep
Singapore01:00 → 02:5812:100 min12:1048 min3 Sep
Sydney03:30 → 05:2811:310 min11:3148 min3 Sep
Suva05:30 → 07:2811:420 min11:4248 min3 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