Ruling · Skanda Pañcamī · 2018

Tuesday 17 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 400 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 16 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 17 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 21:11 on Mon 16 Jul to 18:49 on Tue 17 Jul.

    2018-07-16T13:10:50Z → 2018-07-17T10:49:28Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 16th, 11:22–12:10 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 23977 s

  5. 05

    Ruling

    Skanda Pañcamī, Daqing, 2018: Tuesday 17 July.

    confidence: determinate

Say it like this

In Daqing, Skanda Pañcamī 2018 falls on Tuesday 17 July. Pañcamī runs from 21:11 on Mon 16 Jul to 18:49 on Tue 17 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2018/skanda-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 17 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 17 Jul
compat-drikpanchangComparison profileTue 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles06:11 → 03:4912:3548 min12:350 min16 Jul
Chicago08:11 → 05:4912:3248 min12:330 min16 Jul
Jersey City09:11 → 06:4912:3848 min12:380 min16 Jul
Port of Spain09:11 → 06:4911:4848 min11:480 min16 Jul
London14:11 → 11:4912:420 min12:420 min17 Jul
Durban15:11 → 12:4911:380 min11:3848 min17 Jul
Dubai17:11 → 14:4912:010 min12:0148 min17 Jul
Delhi18:41 → 16:1912:030 min12:0348 min17 Jul
Kolkata18:41 → 16:1911:190 min11:1948 min17 Jul
Singapore21:11 → 18:4912:470 min12:4748 min17 Jul
Sydney23:11 → 20:4911:370 min11:3748 min17 Jul
Suva01:11 → 22:4911:480 min11:4848 min17 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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