Ruling · Vivasvat Saptamī · 2020

Saturday 27 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 263 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 Saturday 27 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

Midday of Sunday 28 June

Saptamī is absent from madhyāhna. Not taken.

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

0 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 07:34 on Sat 27 Jun to 05:24 on Sun 28 Jun.

    2020-06-26T23:34:15Z → 2020-06-27T21:23:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 27th, 11:57–12:45 on the 28th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.

    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 15778 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2020: Saturday 27 June.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2020 falls on Saturday 27 June. Saptamī runs from 07:34 on Sat 27 Jun to 05:24 on Sun 28 Jun and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2020/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 27 Jun
Ahargaṇa, classicalDisc centre, no refractionSat 27 Jun
compat-drikpanchangComparison profileSat 27 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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles16:34 → 14:2412:320 min12:3248 min27 Jun
Chicago18:34 → 16:2412:300 min12:3048 min27 Jun
Jersey City19:34 → 17:2412:350 min12:3548 min27 Jun
Port of Spain19:34 → 17:2411:450 min11:4548 min27 Jun
London00:34 → 22:2412:390 min12:4048 min27 Jun
Durban01:34 → 23:2411:350 min11:3548 min27 Jun
Dubai03:34 → 01:2411:580 min11:5848 min27 Jun
Delhi05:04 → 02:5412:000 min12:0048 min27 Jun
Kolkata05:04 → 02:5411:150 min11:1648 min27 Jun
Singapore07:34 → 05:2412:440 min12:4448 min27 Jun
Sydney09:34 → 07:2411:340 min11:3448 min27 Jun
Suva11:34 → 09:2411:450 min11:4548 min27 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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