Ruling · Vivasvat Saptamī · 1985

Tuesday 25 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 186 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Monday 24 June

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

0 of 48 minutes covered

Midday of Tuesday 25 June

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

48 of 48 minutes covered

Saptamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 17:33 on Mon 24 Jun to 15:51 on Tue 25 Jun.

    1985-06-24T09:32:36Z → 1985-06-25T07:50:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 24th, 11:57–12:45 on the 25th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.

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

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 11159 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 1985: Tuesday 25 June.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 1985 falls on Tuesday 25 June. Saptamī runs from 17:33 on Mon 24 Jun to 15:51 on Tue 25 Jun and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1985/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 25 Jun
Ahargaṇa, classicalDisc centre, no refractionTue 25 Jun
compat-drikpanchangComparison profileTue 25 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/vivasvat-saptami · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 7 Vivasvat saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles02:33 → 00:5112:3148 min12:320 min24 Jun
Chicago04:33 → 02:5112:2948 min12:290 min24 Jun
Jersey City05:33 → 03:5112:3548 min12:350 min24 Jun
Port of Spain05:33 → 03:5111:4448 min11:450 min24 Jun
London10:33 → 08:5112:3948 min12:390 min24 Jun
Durban11:33 → 09:5111:3448 min11:340 min24 Jun
Dubai13:33 → 11:5111:570 min11:570 min25 Jun
Delhi15:03 → 13:2111:590 min12:0048 min25 Jun
Kolkata15:03 → 13:2111:150 min11:1548 min25 Jun
Singapore17:33 → 15:5112:430 min12:4348 min25 Jun
Sydney19:33 → 17:5111:330 min11:3448 min25 Jun
Suva21:33 → 19:5111:450 min11:4548 min25 Jun
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vivasvat-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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