Ruling · Jitāṣṭamī (Jitiya) · 1980

Wednesday 1 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 209 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Tuesday 30 September

Aṣṭamī is absent from pradoṣa. Not taken.

18:03 sunsetpradoṣa ends 19:40
17:3918:0318:2718:5119:1519:3920:03

0 of 98 minutes covered

Evening of Wednesday 1 October

Taken. The only evening Aṣṭamī reaches.

18:01 sunsetpradoṣa ends 19:39
17:3718:0118:2518:4919:1319:3720:01

98 of 98 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 23:40 on Tue 30 Sep to 23:08 on Wed 1 Oct.

    1980-09-30T15:39:35Z → 1980-10-01T15:07:51Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:03–19:40 on the 30th, 18:01–19:39 on the 1st.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 0 of 98 minutes on the 30th and 98 of 98 on the 1st.

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

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 12536 s

  5. 05

    Ruling

    Jitāṣṭamī, Baoding, 1980: Wednesday 1 October.

    confidence: determinate

Say it like this

In Baoding, Jitāṣṭamī (Jitiya) 1980 falls on Wednesday 1 October. Aṣṭamī runs from 23:40 on Tue 30 Sep to 23:08 on Wed 1 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1980/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 1 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 1 Oct
compat-drikpanchangComparison profileWed 1 Oct
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/jitashtami · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīSunset 30thCoveredSunset 1stCoveredRuled
Los Angeles08:40 → 08:0818:3897 min18:360 min30 Sep
Chicago10:40 → 10:0818:3398 min18:320 min30 Sep
Jersey City11:40 → 11:0818:3998 min18:380 min30 Sep
Port of Spain11:40 → 11:0817:5796 min17:560 min30 Sep
London16:40 → 16:0818:4099 min18:380 min30 Sep
Durban17:40 → 17:0817:5693 min17:570 min30 Sep
Dubai19:40 → 19:0818:063 min18:0562 min1 Oct
Delhi21:10 → 20:3818:080 min18:0797 min1 Oct
Kolkata21:10 → 20:3817:250 min17:2497 min1 Oct
Singapore23:10 → 22:3818:270 min18:2795 min1 Oct
Sydney01:40 → 01:0817:570 min17:5793 min1 Oct
Suva03:40 → 03:0818:030 min18:0494 min1 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
jitashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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