Ruling · Nāga Pañcamī · 1908

Sunday 2 August

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 471 minutes.

Decide it for

TehranDelhiKolkataSingaporeSydneyJersey City

35°42′ N 51°25′ E · Asia/Tehran · GeoNames 112931

The two middays

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

Midday of Saturday 1 August

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:41  12:29 madhyāhna ends
10:5311:1711:4112:0512:2912:5313:17

0 of 48 minutes covered

Midday of Sunday 2 August

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:41  12:29 madhyāhna ends
10:5311:1711:4112:0512:2912:5313:17

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 20:20 on Sat 1 Aug to 22:19 on Sun 2 Aug.

    1908-08-01T16:54:44Z → 1908-08-02T18:53:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 1st, 11:41–12:29 on the 2nd.

    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 1st and 48 of 48 on the 2nd.

    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 28231 s

  5. 05

    Ruling

    Nāga Pañcamī, Tehran, 1908: Sunday 2 August.

    confidence: determinate

Say it like this

In Tehran, Nāga Pañcamī 1908 falls on Sunday 2 August. Pañcamī runs from 20:20 on Sat 1 Aug to 22:19 on Sun 2 Aug and covers all of madhyāhna that midday.

ahargana.org/tehran/festivals/1908/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 2 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 2 Aug
compat-drikpanchangComparison profileSun 2 Aug
No institution has a recorded ruling for Tehran.

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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles08:55 → 10:5411:3548 min11:350 min1 Aug
Chicago10:55 → 12:5411:3248 min11:3248 min2 Aug
Jersey City11:55 → 13:5411:3831 min11:3848 min2 Aug
Port of Spain12:55 → 14:5411:480 min11:4848 min2 Aug
London16:55 → 18:5411:420 min11:4248 min2 Aug
Durban18:55 → 20:5411:380 min11:3848 min2 Aug
Dubai20:36 → 22:3511:420 min11:4248 min2 Aug
Delhi22:25 → 00:2412:030 min12:0348 min2 Aug
Kolkata22:25 → 00:2411:190 min11:1948 min2 Aug
Singapore23:55 → 01:5411:470 min11:4748 min2 Aug
Sydney02:55 → 04:5411:380 min11:3748 min2 Aug
Suva04:50 → 06:4911:440 min11:4348 min2 Aug
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