Ruling · Vivasvat Saptamī · 2059

Thursday 17 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 32 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 16 July

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
Saptamī begins 13:20:09
11:1211:3612:0012:2412:4813:1213:36

0 of 48 minutes covered

Midday of Thursday 17 July

Taken. The only midday Saptamī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
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 13:20 on Wed 16 Jul to 15:36 on Thu 17 Jul.

    2059-07-16T05:20:09Z → 2059-07-17T07:35:37Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 16th, 12:00–12:48 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 1916 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2059: Thursday 17 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2059 falls on Thursday 17 July. Saptamī runs from 13:20 on Wed 16 Jul to 15:36 on Thu 17 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2059/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 17 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 17 Jul
compat-drikpanchangComparison profileWed 16 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles22:20 → 00:3612:3548 min12:350 min16 Jul
Chicago00:20 → 02:3612:3348 min12:330 min16 Jul
Jersey City01:20 → 03:3612:3848 min12:380 min16 Jul
Port of Spain01:20 → 03:3611:4848 min11:480 min16 Jul
London06:20 → 08:3612:4248 min12:420 min16 Jul
Durban07:20 → 09:3611:3848 min11:380 min16 Jul
Dubai09:20 → 11:3612:0148 min12:010 min16 Jul
Delhi10:50 → 13:0612:0348 min12:0348 min16 Jul
Kolkata10:50 → 13:0611:1948 min11:1948 min16 Jul
Singapore13:20 → 15:3612:4715 min12:4748 min16 Jul
Sydney15:20 → 17:3611:380 min11:3848 min17 Jul
Suva17:20 → 19:3611:490 min11:4948 min17 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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