Ruling · Vaṭa Sāvitrī Vrata · 1920

Tuesday 1 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 126 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 Monday 31 May

Pūrṇimā is absent from pradoṣa. Not taken.

19:36 sunsetpradoṣa ends 20:50
19:1219:3620:0020:2420:4821:1221:36

0 of 75 minutes covered

Evening of Tuesday 1 June

Taken. The only evening Pūrṇimā reaches.

19:37 sunsetpradoṣa ends 20:51
19:1319:3720:0120:2520:4921:1321:37

74 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 22:57 on Mon 31 May to 01:18 on Wed 2 Jun.

    1920-05-31T14:56:49Z → 1920-06-01T17:17:50Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:36–20:50 on the 31st, 19:37–20:51 on the 1st.

    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 75 minutes on the 31st and 74 of 74 on the 1st.

    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 7583 s

  5. 05

    Ruling

    Vaṭa Sāvitrī Vrata, Baoding, 1920: Tuesday 1 June.

    confidence: determinate

Say it like this

In Baoding, Vaṭa Sāvitrī Vrata 1920 falls on Tuesday 1 June. Pūrṇimā runs from 22:57 on Mon 31 May to 01:18 on Wed 2 Jun and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1920/vata-savitri-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 1 Jun
Ahargaṇa, classicalDisc centre, no refractionTue 1 Jun
compat-drikpanchangComparison profileTue 1 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 31stCoveredSunset 1stCoveredRuled
Los Angeles06:57 → 09:1818:5878 min18:590 min31 May
Chicago08:57 → 11:1819:1872 min19:190 min31 May
Jersey City10:57 → 13:1820:2073 min20:210 min31 May
Port of Spain10:57 → 13:1818:2490 min18:250 min31 May
London15:57 → 18:1821:0662 min21:070 min31 May
Durban16:57 → 19:1817:04109 min17:04109 min31 May
Dubai18:57 → 21:1819:0383 min19:0483 min31 May
Delhi20:27 → 22:4819:138 min19:1481 min31 May
Kolkata20:27 → 22:4818:160 min18:1785 min1 Jun
Singapore21:57 → 00:1818:070 min18:0895 min1 Jun
Sydney00:57 → 03:1816:540 min16:54112 min1 Jun
Suva02:57 → 05:1817:370 min17:37103 min1 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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