Ruling · Śītalāṣṭamī · 2016

Thursday 31 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 34 minutes.

Decide it for

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 Thursday 31 March

Taken. The only midday Aṣṭamī reaches.

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

48 of 48 minutes covered

Midday of Friday 1 April

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
Aṣṭamī ends 11:24:01
11:1011:3411:5812:2212:4613:1013:34

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 10:59 on Thu 31 Mar to 11:24 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: 11:59–12:47 on the 31st, 11:58–12:46 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 0 of 48 on the 1st.

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

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 2057 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2016: Thursday 31 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2016 falls on Thursday 31 March. Aṣṭamī runs from 10:59 on Thu 31 Mar to 11:24 on Fri 1 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/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 Baoding.

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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