Ruling · Nāga Pañcamī (Mārgaśīrṣa) · 2026

Monday 14 December

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 243 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 13 December

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Monday 14 December

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

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 16:48 on Sun 13 Dec to 19:17 on Mon 14 Dec.

    2026-12-13T11:18:07Z → 2026-12-14T13:46:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 13th, 11:57–12:45 on the 14th.

    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 13th and 48 of 48 on the 14th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

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

    priority: paraviddha → only-day · margin 14591 s

  5. 05

    Ruling

    Nāga Pañcamī (Mārgaśīrṣa), Ujjain, 2026: Monday 14 December.

    confidence: determinate

Say it like this

In Ujjain, Nāga Pañcamī (Mārgaśīrṣa) 2026 falls on Monday 14 December. Pañcamī runs from 16:48 on Sun 13 Dec to 19:17 on Mon 14 Dec and covers all of madhyāhna that midday.

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

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 14 Dec
Ahargaṇa, classicalDisc centre, no refractionMon 14 Dec
compat-drikpanchangComparison profileMon 14 Dec
No institution has a recorded ruling for Ujjain.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/naga-panchami-margashirsha · ruleset 2026.3-draft

Month
Mārgaśīrṣa, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

“S 5 Naga pancami (2nd) (paraviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles03:18 → 05:4711:2348 min11:240 min13 Dec
Chicago05:18 → 07:4711:2148 min11:210 min13 Dec
Jersey City06:18 → 08:4711:2748 min11:270 min13 Dec
Port of Spain07:18 → 09:4711:3648 min11:370 min13 Dec
London11:18 → 13:4711:3148 min11:3148 min14 Dec
Durban13:18 → 15:4711:260 min11:2748 min14 Dec
Dubai15:18 → 17:4711:490 min11:4948 min14 Dec
Delhi16:48 → 19:1711:510 min11:5248 min14 Dec
Kolkata16:48 → 19:1711:070 min11:0748 min14 Dec
Singapore19:18 → 21:4712:350 min12:3548 min14 Dec
Sydney22:18 → 00:4712:250 min12:2648 min14 Dec
Suva23:18 → 01:4711:360 min11:3748 min14 Dec
Profile · tradition
pac-rp@2026.1 · smarta
Rule
naga-panchami-margashirsha@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s