Ruling · Ṛṣi Pañcamī · 2099

Friday 18 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 36 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 Friday 18 September

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:48  12:36 madhyāhna ends
Pañcamī begins 11:12:42
11:0011:2411:4812:1212:3613:0013:24

48 of 48 minutes covered

Midday of Saturday 19 September

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

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 11:13 on Fri 18 Sep to 08:49 on Sat 19 Sep.

    2099-09-18T03:12:42Z → 2099-09-19T00:49:15Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 18th, 11:48–12:36 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 2142 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 2099: Friday 18 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 2099 falls on Friday 18 September. Pañcamī runs from 11:13 on Fri 18 Sep to 08:49 on Sat 19 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2099/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 18 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 18 Sep
compat-drikpanchangComparison profileFri 18 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles20:13 → 17:4912:2348 min12:230 min18 Sep
Chicago22:13 → 19:4912:2148 min12:200 min18 Sep
Jersey City23:13 → 20:4912:2648 min12:260 min18 Sep
Port of Spain23:13 → 20:4911:3648 min11:360 min18 Sep
London04:13 → 01:4912:3048 min12:300 min18 Sep
Durban05:13 → 02:4911:2748 min11:260 min18 Sep
Dubai07:13 → 04:4911:4948 min11:490 min18 Sep
Delhi08:43 → 06:1911:5148 min11:510 min18 Sep
Kolkata08:43 → 06:1911:0748 min11:070 min18 Sep
Singapore11:13 → 08:4912:3548 min12:350 min18 Sep
Sydney13:13 → 10:4911:260 min11:260 min19 Sep
Suva15:13 → 12:4911:370 min11:3748 min19 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