Ruling · Skanda Pañcamī · 2015

Tuesday 21 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 200 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

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 Monday 20 July

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:22  12:10 madhyāhna ends
10:3410:5811:2211:4612:1012:3412:58

0 of 48 minutes covered

Midday of Tuesday 21 July

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:22  12:10 madhyāhna ends
10:3410:5811:2211:4612:1012:3412:58

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 15:30 on Mon 20 Jul to 18:01 on Tue 21 Jul.

    2015-07-20T07:30:12Z → 2015-07-21T10:01:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 20th, 11:22–12:10 on the 21st.

    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 20th and 48 of 48 on the 21st.

    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 12012 s

  5. 05

    Ruling

    Skanda Pañcamī, Daqing, 2015: Tuesday 21 July.

    confidence: determinate

Say it like this

In Daqing, Skanda Pañcamī 2015 falls on Tuesday 21 July. Pañcamī runs from 15:30 on Mon 20 Jul to 18:01 on Tue 21 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2015/skanda-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 21 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 21 Jul
compat-drikpanchangComparison profileTue 21 Jul
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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles00:30 → 03:0112:3548 min12:350 min20 Jul
Chicago02:30 → 05:0112:3348 min12:330 min20 Jul
Jersey City03:30 → 06:0112:3848 min12:380 min20 Jul
Port of Spain03:30 → 06:0111:4848 min11:480 min20 Jul
London08:30 → 11:0112:4248 min12:420 min20 Jul
Durban09:30 → 12:0111:3848 min11:3823 min21 Jul
Dubai11:30 → 14:0112:0148 min12:0148 min21 Jul
Delhi13:00 → 15:3112:030 min12:0348 min21 Jul
Kolkata13:00 → 15:3111:190 min11:1948 min21 Jul
Singapore15:30 → 18:0112:470 min12:4748 min21 Jul
Sydney17:30 → 20:0111:380 min11:3848 min21 Jul
Suva19:30 → 22:0111:490 min11:4948 min21 Jul
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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