Ruling · Nāga Pañcamī · 2025

Tuesday 29 July

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 628 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 Monday 28 July

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

0 of 48 minutes covered

Midday of Tuesday 29 July

Taken. The only midday Pañcamī reaches.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

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 23:25 on Mon 28 Jul to 00:47 on Wed 30 Jul.

    2025-07-28T17:54:55Z → 2025-07-29T19:17:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 28th, 12:09–12:57 on the 29th.

    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 28th and 48 of 48 on the 29th.

    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 37656 s

  5. 05

    Ruling

    Nāga Pañcamī, Ujjain, 2025: Tuesday 29 July.

    confidence: determinate

Say it like this

In Ujjain, Nāga Pañcamī 2025 falls on Tuesday 29 July. Pañcamī runs from 23:25 on Mon 28 Jul to 00:47 on Wed 30 Jul and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2025/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 29 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 29 Jul
compat-drikpanchangComparison profileTue 29 Jul
Rashtriya PanchangPrincipal festivals, 2025-26Tue 29 Jul

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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles10:55 → 12:1712:3548 min12:350 min28 Jul
Chicago12:55 → 14:1712:3326 min12:3348 min29 Jul
Jersey City13:55 → 15:1712:390 min12:3948 min29 Jul
Port of Spain13:55 → 15:1711:490 min11:4948 min29 Jul
London18:55 → 20:1712:430 min12:4348 min29 Jul
Durban19:55 → 21:1711:390 min11:3948 min29 Jul
Dubai21:55 → 23:1712:010 min12:0148 min29 Jul
Delhi23:25 → 00:4712:030 min12:0348 min29 Jul
Kolkata23:25 → 00:4711:190 min11:1948 min29 Jul
Singapore01:55 → 03:1712:470 min12:4748 min29 Jul
Sydney03:55 → 05:1711:380 min11:3848 min29 Jul
Suva05:55 → 07:1711:490 min11:4948 min29 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