Ruling · Nāga Pañcamī · 2012

Monday 23 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 40 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 23 July

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:22  12:10 madhyāhna ends
Pañcamī begins 10:42:34
10:3410:5811:2211:4612:1012:3412:58

48 of 48 minutes covered

Midday of Tuesday 24 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

Pañcamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 10:43 on Mon 23 Jul to 09:23 on Tue 24 Jul.

    2012-07-23T02:42:34Z → 2012-07-24T01:22:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 23rd, 11:22–12:10 on the 24th.

    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 23rd and 0 of 48 on the 24th.

    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: paraviddha → only-day · margin 2375 s

  5. 05

    Ruling

    Nāga Pañcamī, Daqing, 2012: Monday 23 July.

    confidence: determinate

Say it like this

In Daqing, Nāga Pañcamī 2012 falls on Monday 23 July. Pañcamī runs from 10:43 on Mon 23 Jul to 09:23 on Tue 24 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2012/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 23 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 23 Jul
compat-drikpanchangComparison profileMon 23 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/naga-panchami · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 103

“S 5 Naga pancami (paraviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles19:43 → 18:2312:3548 min12:350 min23 Jul
Chicago21:43 → 20:2312:3348 min12:330 min23 Jul
Jersey City22:43 → 21:2312:3948 min12:390 min23 Jul
Port of Spain22:43 → 21:2311:4948 min11:490 min23 Jul
London03:43 → 02:2312:4348 min12:430 min23 Jul
Durban04:43 → 03:2311:3848 min11:390 min23 Jul
Dubai06:43 → 05:2312:0148 min12:010 min23 Jul
Delhi08:13 → 06:5312:0348 min12:030 min23 Jul
Kolkata08:13 → 06:5311:1948 min11:190 min23 Jul
Singapore10:43 → 09:2312:4748 min12:470 min23 Jul
Sydney12:43 → 11:2311:380 min11:380 min24 Jul
Suva14:43 → 13:2311:490 min11:4948 min24 Jul
Profile · tradition
pac-rp@2026.1 · smarta
Rule
naga-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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