Ruling · Vivasvat Saptamī · 1928

Sunday 24 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 289 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 23 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 Sunday 24 June

Taken. The only midday Saptamī reaches.

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

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 Sat 23 Jun to 18:12 on Sun 24 Jun.

    1928-06-23T09:33:29Z → 1928-06-24T10:11:34Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 23rd, 11:56–12:44 on the 24th.

    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 23rd and 48 of 48 on the 24th.

    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 17366 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 1928: Sunday 24 June.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 1928 falls on Sunday 24 June. Saptamī runs from 17:33 on Sat 23 Jun to 18:12 on Sun 24 Jun and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1928/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 24 Jun
Ahargaṇa, classicalDisc centre, no refractionSun 24 Jun
compat-drikpanchangComparison profileSun 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/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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles01:33 → 02:1211:3148 min11:310 min23 Jun
Chicago04:33 → 05:1212:2948 min12:290 min23 Jun
Jersey City05:33 → 06:1212:3448 min12:350 min23 Jun
Port of Spain05:33 → 06:1211:4448 min11:440 min23 Jun
London10:33 → 11:1212:3848 min12:390 min23 Jun
Durban11:33 → 12:1211:3448 min11:3437 min23 Jun
Dubai13:33 → 14:1211:570 min11:5748 min24 Jun
Delhi15:03 → 15:4211:590 min11:5948 min24 Jun
Kolkata15:03 → 15:4211:140 min11:1548 min24 Jun
Singapore16:33 → 17:1211:430 min11:4348 min24 Jun
Sydney19:33 → 20:1211:330 min11:3348 min24 Jun
Suva21:33 → 22:1211:440 min11:4448 min24 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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