Ruling · Hala Ṣaṣṭhī · 1913

Saturday 23 August

Boundaryin Bucharest, under the Rashtriya Panchang method. A threshold is only 2 min 57 s away. Say “contested”.

Decide it for

BucharestDelhiKolkataSingaporeSydneyJersey City

44°26′ N 26°06′ E · Europe/Bucharest · GeoNames 683506

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Friday 22 August

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

48 of 48 minutes covered

Midday of Saturday 23 August

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 11:38  12:26 madhyāhna ends
Ṣaṣṭhī ends 12:23:16
10:5011:1411:3812:0212:2612:5013:14

45 of 48 minutes covered, the first 45

Ṣaṣṭhī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 10:30 on Fri 22 Aug to 12:23 on Sat 23 Aug.

    1913-08-22T08:46:12Z → 1913-08-23T10:38:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 22nd, 11:38–12:26 on the 23rd.

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

  3. 03

    Rule

    Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 45 of 48 on the 23rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 177 s < 300 s

  5. 05

    Ruling

    Hala Ṣaṣṭhī, Bucharest, 1913: Saturday 23 August.

    confidence: boundary (margin)

Say it like this

In Bucharest, Hala Ṣaṣṭhī 1913 falls on Saturday 23 August. Ṣaṣṭhī runs from 10:30 on Fri 22 Aug to 12:23 on Sat 23 Aug and covers 45 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken. It is 2 min 57 s from a threshold: treat the date as contested.

ahargana.org/bucharest/festivals/1913/hala-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 23 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 23 Aug
compat-drikpanchangComparison profileSat 23 Aug
No institution has a recorded ruling for Bucharest.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/hala-shashthi · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Kṛṣṇa · Ṣaṣṭhī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 103

“K 6 Hala sasthi (paraviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceṢaṣṭhīMadhyāhna 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles00:46 → 02:3911:3248 min11:310 min22 Aug
Chicago02:46 → 04:3911:2948 min11:290 min22 Aug
Jersey City03:46 → 05:3911:3548 min11:350 min22 Aug
Port of Spain04:46 → 06:3911:4548 min11:450 min22 Aug
London08:46 → 10:3911:3948 min11:390 min22 Aug
Durban10:46 → 12:3911:3548 min11:3548 min23 Aug
Dubai12:27 → 14:2011:390 min11:3848 min23 Aug
Delhi14:16 → 16:0912:000 min12:0048 min23 Aug
Kolkata14:16 → 16:0911:150 min11:1548 min23 Aug
Singapore15:46 → 17:3911:440 min11:4348 min23 Aug
Sydney18:46 → 20:3911:340 min11:3448 min23 Aug
Suva20:41 → 22:3411:400 min11:4048 min23 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
hala-shashthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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