Ruling · Vaṭa Sāvitrī Vrata · 2003

Friday 13 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

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 Friday 13 June

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

19:44 sunsetpradoṣa ends 20:57
19:2019:4420:0820:3220:5621:2021:44

0 of 73 minutes covered

Evening of Saturday 14 June

Pūrṇimā is absent from pradoṣa. Not taken.

19:44 sunsetpradoṣa ends 20:57
19:2019:4420:0820:3220:5621:2021:44

0 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 22:34 on Fri 13 Jun to 19:16 on Sat 14 Jun.

    2003-06-13T14:34:18Z → 2003-06-14T11:15:55Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:44–20:57 on the 13th, 19:44–20:57 on the 14th.

    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 13th and 0 of 73 on the 14th.

    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 1689 s

  5. 05

    Ruling

    Vaṭa Sāvitrī Vrata, Baoding, 2003: Friday 13 June.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Vaṭa Sāvitrī Vrata 2003 falls on Friday 13 June. Pūrṇimā runs from 22:34 on Fri 13 Jun to 19:16 on Sat 14 Jun, and reaches pradoṣa on neither day.

ahargana.org/baoding/festivals/2003/vata-savitri-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 13 Jun
Ahargaṇa, classicalDisc centre, no refractionFri 13 Jun
compat-drikpanchangComparison profileFri 13 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 13thCoveredSunset 14thCoveredRuled
Los Angeles07:34 → 04:1620:0577 min20:050 min13 Jun
Chicago09:34 → 06:1620:2671 min20:270 min13 Jun
Jersey City10:34 → 07:1620:2872 min20:280 min13 Jun
Port of Spain10:34 → 07:1618:2890 min18:280 min13 Jun
London15:34 → 12:1621:1859 min21:180 min13 Jun
Durban16:34 → 13:1617:03110 min17:030 min13 Jun
Dubai18:34 → 15:1619:0983 min19:090 min13 Jun
Delhi20:04 → 16:4619:1935 min19:200 min13 Jun
Kolkata20:04 → 16:4618:210 min18:220 min13 Jun
Singapore22:34 → 19:1619:100 min19:106 min14 Jun
Sydney00:34 → 21:1616:530 min16:53113 min14 Jun
Suva02:34 → 23:1617:380 min17:38104 min14 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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