Ruling · Nāga Pañcamī · 2026

Monday 17 August

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 238 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two middays

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

Midday of Sunday 16 August

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

0 of 48 minutes covered

Midday of Monday 17 August

Taken. The only midday Pañcamī reaches.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

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 16:53 on Sun 16 Aug to 17:01 on Mon 17 Aug.

    2026-08-16T11:23:02Z → 2026-08-17T11:30:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 16th, 12:07–12:55 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. 103

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 14277 s

  5. 05

    Ruling

    Nāga Pañcamī, Ujjain, 2026: Monday 17 August.

    confidence: determinate

Say it like this

In Ujjain, Nāga Pañcamī 2026 falls on Monday 17 August. Pañcamī runs from 16:53 on Sun 16 Aug to 17:01 on Mon 17 Aug and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2026/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 17 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 17 Aug
compat-drikpanchangComparison profileMon 17 Aug
Rashtriya PanchangPrincipal festivals, 2026-27Mon 17 Aug

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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles04:23 → 04:3112:3348 min12:330 min16 Aug
Chicago06:23 → 06:3112:3048 min12:300 min16 Aug
Jersey City07:23 → 07:3112:3648 min12:360 min16 Aug
Port of Spain07:23 → 07:3111:4648 min11:460 min16 Aug
London12:23 → 12:3112:4048 min12:400 min16 Aug
Durban13:23 → 13:3111:360 min11:3648 min17 Aug
Dubai15:23 → 15:3111:590 min11:5948 min17 Aug
Delhi16:53 → 17:0112:010 min12:0148 min17 Aug
Kolkata16:53 → 17:0111:170 min11:1748 min17 Aug
Singapore19:23 → 19:3112:450 min12:4548 min17 Aug
Sydney21:23 → 21:3111:360 min11:3648 min17 Aug
Suva23:23 → 23:3111:470 min11:4748 min17 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