Ruling · Vaṭa Sāvitrī Vrata (Vat Purnima) · 2025

Tuesday 10 June

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 359 minutes.

Decide it for

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 Tuesday 10 June

Taken. The only evening Pūrṇimā reaches.

19:12 sunsetpradoṣa ends 20:36
18:4819:1219:3620:0020:2420:4821:12

84 of 84 minutes covered

Evening of Wednesday 11 June

Pūrṇimā is absent from pradoṣa. Not taken.

19:13 sunsetpradoṣa ends 20:36
18:4919:1319:3720:0120:2520:4921:13

0 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 11:36 on Tue 10 Jun to 13:14 on Wed 11 Jun.

    2025-06-10T06:06:08Z → 2025-06-11T07:43:50Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:12–20:36 on the 10th, 19:13–20:36 on the 11th.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 84 of 84 minutes on the 10th and 0 of 84 on the 11th.

    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 21522 s

  5. 05

    Ruling

    Vaṭa Sāvitrī Vrata, Ujjain, 2025: Tuesday 10 June.

    confidence: determinate

Say it like this

In Ujjain, Vaṭa Sāvitrī Vrata (Vat Purnima) 2025 falls on Tuesday 10 June. Pūrṇimā runs from 11:36 on Tue 10 Jun to 13:14 on Wed 11 Jun and covers all of pradoṣa that evening.

ahargana.org/ujjain/festivals/2025/vata-savitri-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 10 Jun
Ahargaṇa, classicalDisc centre, no refractionTue 10 Jun
compat-drikpanchangComparison profileTue 10 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 10thCoveredSunset 11thCoveredRuled
Los Angeles23:06 → 00:4420:0477 min20:040 min10 Jun
Chicago01:06 → 02:4420:2571 min20:250 min10 Jun
Jersey City02:06 → 03:4420:2772 min20:270 min10 Jun
Port of Spain02:06 → 03:4418:2890 min18:280 min10 Jun
London07:06 → 08:4421:1660 min21:170 min10 Jun
Durban08:06 → 09:4417:03110 min17:030 min10 Jun
Dubai10:06 → 11:4419:0883 min19:080 min10 Jun
Delhi11:36 → 13:1419:1881 min19:190 min10 Jun
Kolkata11:36 → 13:1418:2184 min18:210 min10 Jun
Singapore14:06 → 15:4419:1095 min19:100 min10 Jun
Sydney16:06 → 17:4416:53113 min16:5351 min10 Jun
Suva18:06 → 19:4417:3775 min17:37104 min10 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