Ruling · Vaṭa Sāvitrī Vrata (Vat Purnima) · 2027

Friday 18 June

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 477 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

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

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Thursday 17 June

Pūrṇimā is absent from pradoṣa. Not taken.

19:14 sunsetpradoṣa ends 20:38
18:5019:1419:3820:0220:2620:5021:14

0 of 84 minutes covered

Evening of Friday 18 June

Taken. The only evening Pūrṇimā reaches.

19:15 sunsetpradoṣa ends 20:38
18:5119:1519:3920:0320:2720:5121:15

84 of 84 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 04:35 on Fri 18 Jun to 06:14 on Sat 19 Jun.

    2027-06-17T23:05:14Z → 2027-06-19T00:44:21Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:14–20:38 on the 17th, 19:15–20:38 on the 18th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 0 of 84 minutes on the 17th and 84 of 84 on the 18th.

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

  4. 04

    Tie-break

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

    priority: purvaviddha → only-day · margin 28641 s

  5. 05

    Ruling

    Vaṭa Sāvitrī Vrata, Ujjain, 2027: Friday 18 June.

    confidence: determinate

Say it like this

In Ujjain, Vaṭa Sāvitrī Vrata (Vat Purnima) 2027 falls on Friday 18 June. Pūrṇimā runs from 04:35 on Fri 18 Jun to 06:14 on Sat 19 Jun and covers all of pradoṣa that evening.

ahargana.org/ujjain/festivals/2027/vata-savitri-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 18 Jun
Ahargaṇa, classicalDisc centre, no refractionFri 18 Jun
compat-drikpanchangComparison profileFri 18 Jun
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/vata-savitri-vrata · ruleset 2026.3-draft

Month
Jyeṣṭha, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Pradoṣa
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāSunset 17thCoveredSunset 19thCoveredRuled
Los Angeles16:05 → 17:4420:0677 min20:070 min17 Jun
Chicago18:05 → 19:4420:2870 min20:280 min17 Jun
Jersey City19:05 → 20:4420:3071 min20:300 min17 Jun
Port of Spain19:05 → 20:4418:2954 min18:300 min17 Jun
London00:05 → 01:4421:200 min21:210 min18 Jun
Durban01:05 → 02:4417:030 min17:040 min18 Jun
Dubai03:05 → 04:4419:100 min19:110 min18 Jun
Delhi04:35 → 06:1419:210 min19:210 min18 Jun
Kolkata04:35 → 06:1418:230 min18:230 min18 Jun
Singapore07:05 → 08:4419:110 min19:120 min18 Jun
Sydney09:05 → 10:4416:530 min16:530 min18 Jun
Suva11:05 → 12:4417:380 min17:390 min18 Jun
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vata-savitri-vrata@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s