Ruling · Vaṭa Sāvitrī Vrata · 2012

Sunday 3 June

Boundaryin Baoding, under the Rashtriya Panchang method. Pūrṇimā reaches pradoṣa on neither day and the rule does not say what then. Say “contested”.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two evenings

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

Evening of Sunday 3 June

Taken. Pūrṇimā reaches neither evening; this is the day it falls on.

19:39 sunsetpradoṣa ends 20:53
19:1519:3920:0320:2720:5121:1521:39

0 of 74 minutes covered

Evening of Monday 4 June

Pūrṇimā is absent from pradoṣa. Not taken.

19:39 sunsetpradoṣa ends 20:53
19:1519:3920:0320:2720:5121:1521:39

0 of 74 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 22:48 on Sun 3 Jun to 19:12 on Mon 4 Jun.

    2012-06-03T14:47:46Z → 2012-06-04T11:11:34Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:39–20:53 on the 3rd, 19:39–20:53 on the 4th.

    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 74 minutes on the 3rd and 0 of 74 on the 4th.

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

  4. 04

    Tie-break

    Neither evening qualifies. The day the tithi falls on is taken.

    priority: purvaviddha → tithi-day · margin 1659 s

  5. 05

    Ruling

    Vaṭa Sāvitrī Vrata, Baoding, 2012: Sunday 3 June.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Vaṭa Sāvitrī Vrata 2012 falls on Sunday 3 June. Pūrṇimā runs from 22:48 on Sun 3 Jun to 19:12 on Mon 4 Jun, and reaches pradoṣa on neither day.

ahargana.org/baoding/festivals/2012/vata-savitri-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 3 Jun
Ahargaṇa, classicalDisc centre, no refractionSun 3 Jun
compat-drikpanchangComparison profileSun 3 Jun
No institution has a recorded ruling for Baoding.

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 3rdCoveredSunset 4thCoveredRuled
Los Angeles07:48 → 04:1220:0078 min20:010 min3 Jun
Chicago09:48 → 06:1220:2171 min20:210 min3 Jun
Jersey City10:48 → 07:1220:2372 min20:230 min3 Jun
Port of Spain10:48 → 07:1218:2690 min18:260 min3 Jun
London15:48 → 12:1221:1061 min21:110 min3 Jun
Durban16:48 → 13:1217:03110 min17:030 min3 Jun
Dubai18:48 → 15:1219:0583 min19:060 min3 Jun
Delhi20:18 → 16:4219:1519 min19:160 min3 Jun
Kolkata20:18 → 16:4218:180 min18:180 min3 Jun
Singapore22:48 → 19:1219:080 min19:093 min4 Jun
Sydney00:48 → 21:1216:530 min16:53112 min4 Jun
Suva02:48 → 23:1217:370 min17:37103 min4 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

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