Ruling · Skanda Pañcamī · 1906

Wednesday 27 June

Boundaryin Daqing, under the Rashtriya Panchang method. A threshold is only 4 min 14 s away. Say “contested”.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Tuesday 26 June

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:18  12:06 madhyāhna ends
Pañcamī begins 12:10:31
10:3010:5411:1811:4212:0612:3012:54

0 of 48 minutes covered

Midday of Wednesday 27 June

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:18  12:06 madhyāhna ends
Pañcamī ends 12:20:52
10:3010:5411:1811:4212:0612:3012:54

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 12:11 on Tue 26 Jun to 12:21 on Wed 27 Jun.

    1906-06-26T04:10:31Z → 1906-06-27T04:20:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:18–12:06 on the 26th, 11:18–12:06 on the 27th.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 254 s < 300 s

  5. 05

    Ruling

    Skanda Pañcamī, Daqing, 1906: Wednesday 27 June.

    confidence: boundary (margin)

Say it like this

In Daqing, Skanda Pañcamī 1906 falls on Wednesday 27 June. Pañcamī runs from 12:11 on Tue 26 Jun to 12:21 on Wed 27 Jun and covers all of madhyāhna that midday. It is 4 min 14 s from a threshold: treat the date as contested.

ahargana.org/daqing/festivals/1906/skanda-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 27 Jun
Ahargaṇa, classicalDisc centre, no refractionWed 27 Jun
compat-drikpanchangComparison profileWed 27 Jun
No institution has a recorded ruling for Daqing.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/skanda-panchami · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“S 5 Skanda pancami (paraviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles20:11 → 20:2111:3148 min11:320 min26 Jun
Chicago22:11 → 22:2111:2948 min11:290 min26 Jun
Jersey City23:11 → 23:2111:3548 min11:350 min26 Jun
Port of Spain00:11 → 00:2111:4548 min11:450 min26 Jun
London04:11 → 04:2111:3948 min11:390 min26 Jun
Durban06:11 → 06:2111:3448 min11:350 min26 Jun
Dubai07:52 → 08:0211:3848 min11:380 min26 Jun
Delhi09:41 → 09:5111:5948 min12:000 min26 Jun
Kolkata09:41 → 09:5111:1548 min11:150 min26 Jun
Singapore11:11 → 11:2111:4348 min11:430 min26 Jun
Sydney14:11 → 14:2111:340 min11:3448 min27 Jun
Suva16:06 → 16:1611:400 min11:4048 min27 Jun
Profile · tradition
pac-rp@2026.1 · smarta
Rule
skanda-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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