Ruling · Vivasvat Saptamī · 1902

Friday 11 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 224 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 11 July

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

48 of 48 minutes covered

Midday of Saturday 12 July

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

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 07:48 on Fri 11 Jul to 08:15 on Sat 12 Jul.

    1902-07-10T23:47:39Z → 1902-07-12T00:14:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 11th, 11:59–12:47 on the 12th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.

    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 13459 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 1902: Friday 11 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 1902 falls on Friday 11 July. Saptamī runs from 07:48 on Fri 11 Jul to 08:15 on Sat 12 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1902/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 11 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 11 Jul
compat-drikpanchangComparison profileFri 11 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 10thCoveredMadhyāhna 12thCoveredRuled
Los Angeles15:48 → 16:1511:340 min11:340 min11 Jul
Chicago17:48 → 18:1511:310 min11:320 min11 Jul
Jersey City18:48 → 19:1511:370 min11:370 min11 Jul
Port of Spain19:48 → 20:1511:470 min11:470 min11 Jul
London23:48 → 00:1511:410 min11:410 min11 Jul
Durban01:18 → 01:4511:070 min11:070 min11 Jul
Dubai03:29 → 03:5611:410 min11:410 min11 Jul
Delhi05:09 → 05:3611:530 min11:530 min11 Jul
Kolkata05:09 → 05:3611:080 min11:090 min11 Jul
Singapore06:43 → 07:1011:410 min11:410 min11 Jul
Sydney09:48 → 10:1511:360 min11:360 min11 Jul
Suva11:43 → 12:1011:420 min11:4327 min11 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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