Ruling · Vaṭa Sāvitrī Vrata · 2017

Thursday 8 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 14 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 Thursday 8 June

Taken. Both evenings qualify; the rule takes the first.

19:41 sunsetpradoṣa ends 20:55
19:1719:4120:0520:2920:5321:1721:41

74 of 74 minutes covered

Evening of Friday 9 June

Qualifies with 73 of 73 minutes. Not taken.

19:42 sunsetpradoṣa ends 20:55
Pūrṇimā ends 21:09:34
19:1819:4220:0620:3020:5421:1821:42

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 18:47 on Thu 8 Jun to 21:10 on Fri 9 Jun.

    2017-06-08T10:46:40Z → 2017-06-09T13:09:35Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:41–20:55 on the 8th, 19:42–20:55 on the 9th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 74 of 74 minutes on the 8th and 73 of 73 on the 9th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Both evenings qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 849 s

  5. 05

    Ruling

    Vaṭa Sāvitrī Vrata, Baoding, 2017: Thursday 8 June.

    confidence: determinate

Say it like this

In Baoding, Vaṭa Sāvitrī Vrata 2017 falls on Thursday 8 June. Pūrṇimā runs from 18:47 on Thu 8 Jun to 21:10 on Fri 9 Jun and covers all of pradoṣa that evening. It also reaches the next evening for 73 minutes; by the rule the first evening is taken.

ahargana.org/baoding/festivals/2017/vata-savitri-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 8 Jun
Ahargaṇa, classicalDisc centre, no refractionThu 8 Jun
compat-drikpanchangComparison profileThu 8 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 8thCoveredSunset 9thCoveredRuled
Los Angeles03:47 → 06:1020:0377 min20:030 min8 Jun
Chicago05:47 → 08:1020:2471 min20:240 min8 Jun
Jersey City06:47 → 09:1020:2672 min20:260 min8 Jun
Port of Spain06:47 → 09:1018:2790 min18:270 min8 Jun
London11:47 → 14:1021:1560 min21:150 min8 Jun
Durban12:47 → 15:1017:03110 min17:030 min8 Jun
Dubai14:47 → 17:1019:0783 min19:080 min8 Jun
Delhi16:17 → 18:4019:1781 min19:180 min8 Jun
Kolkata16:17 → 18:4018:2084 min18:2019 min8 Jun
Singapore18:47 → 21:1019:0995 min19:0995 min8 Jun
Sydney20:47 → 23:1016:530 min16:53113 min9 Jun
Suva22:47 → 01:1017:370 min17:37104 min9 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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