Ruling · Śītalāṣṭamī · 2016

Thursday 31 March

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 7 min 16 s.

Decide it for

35°52′ N 128°36′ E · Asia/Seoul · GeoNames 1835329

The two middays

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

Midday of Thursday 31 March

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

madhyāhna begins 12:06  12:54 madhyāhna ends
Aṣṭamī begins 11:58:45
11:1811:4212:0612:3012:5413:1813:42

48 of 48 minutes covered

Midday of Friday 1 April

Qualifies with 18 of 48 minutes. Not taken.

madhyāhna begins 12:06  12:54 madhyāhna ends
Aṣṭamī ends 12:24:01
11:1811:4212:0612:3012:5413:1813:42

18 of 48 minutes covered, the first 18

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 11:59 on Thu 31 Mar to 12:24 on Fri 1 Apr.

    2016-03-31T02:58:45Z → 2016-04-01T03:24:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 31st, 12:06–12:54 on the 1st.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 18 of 48 on the 1st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 436 s

  5. 05

    Ruling

    Śītalāṣṭamī, Daegu, 2016: Thursday 31 March.

    confidence: determinate

Say it like this

In Daegu, Śītalāṣṭamī 2016 falls on Thursday 31 March. Aṣṭamī runs from 11:59 on Thu 31 Mar to 12:24 on Fri 1 Apr and covers all of madhyāhna that midday. It also reaches the next midday for 18 minutes; by the rule the first midday is taken.

ahargana.org/daegu/festivals/2016/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 31 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 31 Mar
compat-drikpanchangComparison profileThu 31 Mar
No institution has a recorded ruling for Daegu.

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

The rule, as data

/rules/shitalashtami · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“K 8 Sitalastami, (purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles19:59 → 20:2412:3348 min12:330 min31 Mar
Chicago21:59 → 22:2412:3148 min12:310 min31 Mar
Jersey City22:59 → 23:2412:3748 min12:360 min31 Mar
Port of Spain22:59 → 23:2411:4648 min11:460 min31 Mar
London03:59 → 04:2412:4148 min12:410 min31 Mar
Durban04:59 → 05:2411:3648 min11:350 min31 Mar
Dubai06:59 → 07:2411:5948 min11:590 min31 Mar
Delhi08:29 → 08:5412:0148 min12:010 min31 Mar
Kolkata08:29 → 08:5411:1748 min11:170 min31 Mar
Singapore10:59 → 11:2412:4548 min12:440 min31 Mar
Sydney13:59 → 14:2412:350 min12:3548 min1 Apr
Suva14:59 → 15:2411:460 min11:4648 min1 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitalashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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