Ruling · Vivasvat Saptamī · 2078

Saturday 16 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 227 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 Friday 15 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 Saturday 16 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 16:35 on Fri 15 Jul to 18:38 on Sat 16 Jul.

    2078-07-15T08:35:30Z → 2078-07-16T10:38:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 15th, 12:00–12:48 on the 16th.

    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 15th and 48 of 48 on the 16th.

    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 13630 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2078: Saturday 16 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2078 falls on Saturday 16 July. Saptamī runs from 16:35 on Fri 15 Jul to 18:38 on Sat 16 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2078/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 16 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 16 Jul
compat-drikpanchangComparison profileSat 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles01:35 → 03:3812:3548 min12:350 min15 Jul
Chicago03:35 → 05:3812:3348 min12:330 min15 Jul
Jersey City04:35 → 06:3812:3948 min12:390 min15 Jul
Port of Spain04:35 → 06:3811:4848 min11:490 min15 Jul
London09:35 → 11:3812:4348 min12:430 min15 Jul
Durban10:35 → 12:3811:3848 min11:3848 min15 Jul
Dubai12:35 → 14:3812:0114 min12:0148 min15 Jul
Delhi14:05 → 16:0812:030 min12:0348 min16 Jul
Kolkata14:05 → 16:0811:190 min11:1948 min16 Jul
Singapore16:35 → 18:3812:470 min12:4748 min16 Jul
Sydney18:35 → 20:3811:380 min11:3848 min16 Jul
Suva20:35 → 22:3811:490 min11:4948 min16 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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