Ruling · Nāga Pañcamī · 1971

Tuesday 27 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 602 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 Tuesday 27 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

Midday of Wednesday 28 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 22:58 on Mon 26 Jul to 01:20 on Wed 28 Jul.

    1971-07-26T14:58:22Z → 1971-07-27T17:20:22Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 27th, 11:22–12:10 on the 28th.

    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 27th and 0 of 48 on the 28th.

    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 36103 s

  5. 05

    Ruling

    Nāga Pañcamī, Daqing, 1971: Tuesday 27 July.

    confidence: determinate

Say it like this

In Daqing, Nāga Pañcamī 1971 falls on Tuesday 27 July. Pañcamī runs from 22:58 on Mon 26 Jul to 01:20 on Wed 28 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1971/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 27 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 27 Jul
compat-drikpanchangComparison profileTue 27 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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles07:58 → 10:2012:3548 min12:350 min26 Jul
Chicago09:58 → 12:2012:3348 min12:330 min26 Jul
Jersey City10:58 → 13:2012:3848 min12:3842 min27 Jul
Port of Spain10:58 → 13:2011:4848 min11:4848 min27 Jul
London15:58 → 18:2012:420 min12:4248 min27 Jul
Durban16:58 → 19:2011:380 min11:3848 min27 Jul
Dubai18:58 → 21:2012:010 min12:0148 min27 Jul
Delhi20:28 → 22:5012:030 min12:0348 min27 Jul
Kolkata20:28 → 22:5011:190 min11:1948 min27 Jul
Singapore22:28 → 00:5012:170 min12:1748 min27 Jul
Sydney00:58 → 03:2011:380 min11:3848 min27 Jul
Suva02:58 → 05:2011:490 min11:4948 min27 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

About Ahargaṇa