Ruling · Vaṭa Sāvitrī Vrata (Vat Purnima) · 2021

Thursday 24 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 340 minutes.

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 Wednesday 23 June

Pūrṇimā is absent from pradoṣa. Not taken.

19:47 sunsetpradoṣa ends 21:00
19:2319:4720:1120:3520:5921:2321:47

0 of 73 minutes covered

Evening of Thursday 24 June

Taken. The only evening Pūrṇimā reaches.

19:47 sunsetpradoṣa ends 21:00
19:2319:4720:1120:3520:5921:2321:47

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 06:03 on Thu 24 Jun to 02:40 on Fri 25 Jun.

    2021-06-23T22:02:55Z → 2021-06-24T18:39:42Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:47–21:00 on the 23rd, 19:47–21:00 on the 24th.

    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 23rd and 73 of 73 on the 24th.

    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 20383 s

  5. 05

    Ruling

    Vaṭa Sāvitrī Vrata, Baoding, 2021: Thursday 24 June.

    confidence: determinate

Say it like this

In Baoding, Vaṭa Sāvitrī Vrata (Vat Purnima) 2021 falls on Thursday 24 June. Pūrṇimā runs from 06:03 on Thu 24 Jun to 02:40 on Fri 25 Jun and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2021/vata-savitri-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 24 Jun
Ahargaṇa, classicalDisc centre, no refractionThu 24 Jun
compat-drikpanchangComparison profileThu 24 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 23rdCoveredSunset 24thCoveredRuled
Los Angeles15:03 → 11:4020:0877 min20:080 min23 Jun
Chicago17:03 → 13:4020:2970 min20:290 min23 Jun
Jersey City18:03 → 14:4020:3171 min20:310 min23 Jun
Port of Spain18:03 → 14:4018:3190 min18:310 min23 Jun
London23:03 → 19:4021:210 min21:210 min23 Jun
Durban00:03 → 20:4017:050 min17:05110 min24 Jun
Dubai02:03 → 22:4019:120 min19:1283 min24 Jun
Delhi03:33 → 00:1019:220 min19:2280 min24 Jun
Kolkata03:33 → 00:1018:240 min18:2484 min24 Jun
Singapore06:03 → 02:4019:130 min19:1395 min24 Jun
Sydney08:03 → 04:4016:540 min16:54113 min24 Jun
Suva10:03 → 06:4017:400 min17:40104 min24 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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