Ruling · Guru Pūrṇimā · 2027

Sunday 18 July

Determinatein Suva, under the Rashtriya Panchang method. Clear of every threshold by 484 minutes.

Decide it for

SuvaDelhiKolkataSingaporeSydneyJersey City

18°08′ S 178°26′ E · Pacific/Fiji · GeoNames 2198148

The two middays

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

Midday of Sunday 18 July

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

48 of 48 minutes covered

Midday of Monday 19 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

0 of 48 minutes covered

Pūrṇimā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 01:19 on Sun 18 Jul to 03:45 on Mon 19 Jul.

    2027-07-17T13:18:39Z → 2027-07-18T15:44:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 18th, 11:49–12:37 on the 19th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

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

    priority: paraviddha → only-day · margin 29024 s

  5. 05

    Ruling

    Guru Pūrṇimā, Suva, 2027: Sunday 18 July.

    confidence: determinate

Say it like this

In Suva, Guru Pūrṇimā 2027 falls on Sunday 18 July. Pūrṇimā runs from 01:19 on Sun 18 Jul to 03:45 on Mon 19 Jul and covers all of madhyāhna that midday.

ahargana.org/suva/festivals/2027/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 18 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 18 Jul
compat-drikpanchangComparison profileSun 18 Jul
No institution has a recorded ruling for Suva.

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

The rule, as data

/rules/guru-purnima · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāMadhyāhna 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles06:19 → 08:4512:3548 min12:350 min17 Jul
Chicago08:19 → 10:4512:3348 min12:330 min17 Jul
Jersey City09:19 → 11:4512:3848 min12:380 min17 Jul
Port of Spain09:19 → 11:4511:4848 min11:480 min17 Jul
London14:19 → 16:4512:420 min12:4248 min18 Jul
Durban15:19 → 17:4511:380 min11:3848 min18 Jul
Dubai17:19 → 19:4512:010 min12:0148 min18 Jul
Delhi18:49 → 21:1512:030 min12:0348 min18 Jul
Kolkata18:49 → 21:1511:190 min11:1948 min18 Jul
Singapore21:19 → 23:4512:470 min12:4748 min18 Jul
Sydney23:19 → 01:4511:370 min11:3848 min18 Jul
Suva01:19 → 03:4511:480 min11:4948 min18 Jul
Profile · tradition
pac-rp@2026.1 · smarta
Rule
guru-purnima@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s