Ruling · Vaṭa Sāvitrī Vrata · 1981

Wednesday 17 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 12 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 Tuesday 16 June

Pūrṇimā is absent from pradoṣa. Not taken.

19:45 sunsetpradoṣa ends 20:58
Pūrṇimā begins 21:10:18
19:2119:4520:0920:3320:5721:2121:45

0 of 73 minutes covered

Evening of Wednesday 17 June

Taken. The only evening Pūrṇimā reaches.

19:45 sunsetpradoṣa ends 20:58
19:2119:4520:0920:3320:5721:2121:45

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 21:10 on Tue 16 Jun to 23:04 on Wed 17 Jun.

    1981-06-16T13:10:18Z → 1981-06-17T15:04:27Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:45–20:58 on the 16th, 19:45–20:58 on the 17th.

    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 16th and 73 of 73 on the 17th.

    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 742 s

  5. 05

    Ruling

    Vaṭa Sāvitrī Vrata, Baoding, 1981: Wednesday 17 June.

    confidence: determinate

Say it like this

In Baoding, Vaṭa Sāvitrī Vrata 1981 falls on Wednesday 17 June. Pūrṇimā runs from 21:10 on Tue 16 Jun to 23:04 on Wed 17 Jun and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1981/vata-savitri-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 17 Jun
Ahargaṇa, classicalDisc centre, no refractionWed 17 Jun
compat-drikpanchangComparison profileTue 16 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 16thCoveredSunset 17thCoveredRuled
Los Angeles06:10 → 08:0420:0677 min20:060 min16 Jun
Chicago08:10 → 10:0420:2770 min20:280 min16 Jun
Jersey City09:10 → 11:0420:2971 min20:300 min16 Jun
Port of Spain09:10 → 11:0418:2990 min18:290 min16 Jun
London14:10 → 16:0421:1959 min21:200 min16 Jun
Durban15:10 → 17:0417:03110 min17:031 min16 Jun
Dubai17:10 → 19:0419:1083 min19:100 min16 Jun
Delhi18:40 → 20:3419:2080 min19:2174 min16 Jun
Kolkata18:40 → 20:3418:2266 min18:2384 min16 Jun
Singapore20:40 → 22:3418:410 min18:4195 min17 Jun
Sydney23:10 → 01:0416:530 min16:53113 min17 Jun
Suva01:10 → 03:0417:380 min17:38104 min17 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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