Ruling · Ṛṣi Pañcamī · 1912

Sunday 15 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 547 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 Sunday 15 September

Taken. The only midday Pañcamī reaches.

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

48 of 48 minutes covered

Midday of Monday 16 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 02:42 on Sun 15 Sep to 02:06 on Mon 16 Sep.

    1912-09-14T18:42:25Z → 1912-09-15T18:06:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 15th, 11:49–12:37 on the 16th.

    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 15th and 0 of 48 on the 16th.

    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 32806 s

  5. 05

    Ruling

    Ṛṣi Pañcamī, Baoding, 1912: Sunday 15 September.

    confidence: determinate

Say it like this

In Baoding, Ṛṣi Pañcamī 1912 falls on Sunday 15 September. Pañcamī runs from 02:42 on Sun 15 Sep to 02:06 on Mon 16 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1912/rishi-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 15 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 15 Sep
compat-drikpanchangComparison profileSun 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 Angeles10:42 → 10:0611:2448 min11:240 min14 Sep
Chicago12:42 → 12:0611:220 min11:2145 min15 Sep
Jersey City13:42 → 13:0611:270 min11:2748 min15 Sep
Port of Spain14:42 → 14:0611:380 min11:3748 min15 Sep
London18:42 → 18:0611:320 min11:3148 min15 Sep
Durban20:42 → 20:0611:280 min11:2748 min15 Sep
Dubai22:23 → 21:4711:310 min11:3148 min15 Sep
Delhi00:12 → 23:3611:530 min11:5248 min15 Sep
Kolkata00:12 → 23:3611:080 min11:0848 min15 Sep
Singapore01:42 → 01:0611:360 min11:3648 min15 Sep
Sydney04:42 → 04:0611:270 min11:2748 min15 Sep
Suva06:37 → 06:0111:330 min11:3348 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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