Ruling · Vaṭa Sāvitrī Vrata · 1997

Friday 20 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 370 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Thursday 19 June

Pūrṇimā is absent from pradoṣa. Not taken.

19:46 sunsetpradoṣa ends 20:59
19:2219:4620:1020:3420:5821:2221:46

0 of 73 minutes covered

Evening of Friday 20 June

Taken. The only evening Pūrṇimā reaches.

19:46 sunsetpradoṣa ends 20:59
19:2219:4620:1020:3420:5821:2221:46

73 of 73 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 04:59 on Fri 20 Jun to 03:09 on Sat 21 Jun.

    1997-06-19T20:59:02Z → 1997-06-20T19:08:49Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:46–20:59 on the 19th, 19:46–20:59 on the 20th.

    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 73 minutes on the 19th and 73 of 73 on the 20th.

    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 22181 s

  5. 05

    Ruling

    Vaṭa Sāvitrī Vrata, Baoding, 1997: Friday 20 June.

    confidence: determinate

Say it like this

In Baoding, Vaṭa Sāvitrī Vrata 1997 falls on Friday 20 June. Pūrṇimā runs from 04:59 on Fri 20 Jun to 03:09 on Sat 21 Jun and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1997/vata-savitri-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 20 Jun
Ahargaṇa, classicalDisc centre, no refractionFri 20 Jun
compat-drikpanchangComparison profileFri 20 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 19thCoveredSunset 20thCoveredRuled
Los Angeles13:59 → 12:0920:0777 min20:070 min19 Jun
Chicago15:59 → 14:0920:2870 min20:290 min19 Jun
Jersey City16:59 → 15:0920:3071 min20:300 min19 Jun
Port of Spain16:59 → 15:0918:3090 min18:300 min19 Jun
London21:59 → 20:0921:2121 min21:210 min19 Jun
Durban22:59 → 21:0917:040 min17:04110 min20 Jun
Dubai00:59 → 23:0919:110 min19:1183 min20 Jun
Delhi02:29 → 00:3919:210 min19:2180 min20 Jun
Kolkata02:29 → 00:3918:230 min18:2384 min20 Jun
Singapore04:59 → 03:0919:120 min19:1295 min20 Jun
Sydney06:59 → 05:0916:530 min16:53113 min20 Jun
Suva08:59 → 07:0917:390 min17:39104 min20 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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