Ruling · Vivasvat Saptamī · 2091

Sunday 22 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 24 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Sunday 22 July

Taken. The only midday Saptamī reaches.

madhyāhna begins 12:01  12:49 madhyāhna ends
Saptamī begins 12:25:17
11:1311:3712:0112:2512:4913:1313:37

24 of 48 minutes covered, the last 24

Midday of Monday 23 July

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

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 12:25 on Sun 22 Jul to 10:11 on Mon 23 Jul.

    2091-07-22T04:25:18Z → 2091-07-23T02:11:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 22nd, 12:01–12:49 on the 23rd.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 24 of 48 minutes on the 22nd and 0 of 48 on the 23rd.

    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 1414 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2091: Sunday 22 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2091 falls on Sunday 22 July. Saptamī runs from 12:25 on Sun 22 Jul to 10:11 on Mon 23 Jul and covers 24 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/2091/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 22 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 22 Jul
compat-drikpanchangComparison profileSun 22 Jul
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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles21:25 → 19:1112:3648 min12:360 min22 Jul
Chicago23:25 → 21:1112:3348 min12:330 min22 Jul
Jersey City00:25 → 22:1112:3948 min12:390 min22 Jul
Port of Spain00:25 → 22:1111:4948 min11:490 min22 Jul
London05:25 → 03:1112:4348 min12:430 min22 Jul
Durban06:25 → 04:1111:3948 min11:390 min22 Jul
Dubai08:25 → 06:1112:0248 min12:020 min22 Jul
Delhi09:55 → 07:4112:0448 min12:040 min22 Jul
Kolkata09:55 → 07:4111:1948 min11:190 min22 Jul
Singapore12:25 → 10:1112:4848 min12:480 min22 Jul
Sydney14:25 → 12:1111:380 min11:3833 min23 Jul
Suva16:25 → 14:1111:490 min11:4948 min23 Jul
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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