Ruling · Vivasvat Saptamī · 2089

Thursday 14 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 47 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 Wednesday 13 July

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

0 of 48 minutes covered

Midday of Thursday 14 July

Taken. The only midday Saptamī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
Saptamī ends 13:35:03
11:1211:3612:0012:2412:4813:1213:36

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 14:52 on Wed 13 Jul to 13:35 on Thu 14 Jul.

    2089-07-13T06:52:22Z → 2089-07-14T05:35:04Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 13th, 12:00–12:48 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 2802 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2089: Thursday 14 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2089 falls on Thursday 14 July. Saptamī runs from 14:52 on Wed 13 Jul to 13:35 on Thu 14 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2089/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 14 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 14 Jul
compat-drikpanchangComparison profileThu 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles23:52 → 22:3512:3548 min12:350 min13 Jul
Chicago01:52 → 00:3512:3348 min12:330 min13 Jul
Jersey City02:52 → 01:3512:3848 min12:390 min13 Jul
Port of Spain02:52 → 01:3511:4848 min11:480 min13 Jul
London07:52 → 06:3512:4248 min12:430 min13 Jul
Durban08:52 → 07:3511:3848 min11:380 min13 Jul
Dubai10:52 → 09:3512:0148 min12:010 min13 Jul
Delhi12:22 → 11:0512:0329 min12:030 min13 Jul
Kolkata12:22 → 11:0511:190 min11:190 min14 Jul
Singapore14:52 → 13:3512:470 min12:4748 min14 Jul
Sydney16:52 → 15:3511:380 min11:3848 min14 Jul
Suva18:52 → 17:3511:490 min11:4948 min14 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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