{"id":"vidhyamitra:city-day:tokyo:2017-09-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/tokyo/2017-09-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-09-20","date_display":"September 20, 2017 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2017,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458016.770833,"kali_year":5119,"ahargana":1869551.2708,"sun":{"sidereal_longitude":152.4019,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":152.0138,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":359.6118,"elapsed_within_tithi_degrees":11.6118},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.0138,"elapsed_within_degrees":5.3471},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.4157},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2017,"month":9,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458016.770833,"ahargana":1869551.2708,"kali_year":5119,"ayanamsa_lahiri":24.1005,"grahas":{"sun":{"sidereal_longitude":153.18094099999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":150.872841,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":2.2372},"mars":{"sidereal_longitude":134.92734099999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":137.95624099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":181.29194099999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":125.663341,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":237.452541,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":122.1768,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":302.1768,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2017,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458016.770833,"kali_year":5119,"ahargana":1869551.2708,"sun":{"sidereal_longitude":152.4019,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":152.0138,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":359.6118,"elapsed_within_tithi_degrees":11.6118},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.0138,"elapsed_within_degrees":5.3471},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.4157},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.237,"elongation":0.388},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.237,"opposition_distance":179.612}},"eclipse_window_40days":[]},"city":{"slug":"tokyo","name":"Tokyo, Japan","lat":35.6762,"lon":139.6503,"tz_offset_hours":9,"country":"JP","tier":"diaspora"},"tier2":{"city":{"slug":"tokyo","name":"Tokyo, Japan","lat":35.6762,"lon":139.6503,"tz_offset_hours":9,"country":"JP","tier":"diaspora"},"sunriseLocal":"05:27","sunsetLocal":"17:41","solarNoonLocal":"11:34","dayLengthHours":12.24026980765322,"dayLengthDisplay":"12 Hours 14 Mins 25 Secs","nightLengthDisplay":"11 Hours 45 Mins 35 Secs","moonriseLocal":"05:16","moonsetLocal":"17:33","rahuKala":{"name":"Rāhu Kāla","start":"11:34","end":"13:06","startHours":11.567531420640762,"endHours":13.097565146597415,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:59","end":"08:30","startHours":6.9774302427708035,"endHours":8.507463968727457,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:02","end":"11:34","startHours":10.03749769468411,"endHours":11.567531420640762,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:18","end":"08:43","startHours":8.303459471933236,"endHours":8.711468465521676,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:57","end":"06:17","startHours":5.957407758799702,"endHours":6.283814953670454,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:10","end":"11:59","startHours":11.159522427052321,"endHours":11.975540414229203,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:38","startHours":3.8153605424603882,"endHours":4.63137852963727,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:26","end":"05:27","startHours":4.4273740328430495,"endHours":5.447396516814151,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:36","end":"14:25","startHours":13.607576388582963,"endHours":14.423594375759844,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:29","end":"17:53","startHours":17.487666324467373,"endHours":17.88766632446737,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:41","end":"18:12","startHours":17.687666324467372,"endHours":18.197677566452924,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:26","end":"19:11","startHours":17.437666324467372,"endHours":19.187666324467372,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:10","end":"23:59","startHours":23.15952242705232,"endHours":23.975540414229204,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:27","end":"06:59","startHours":5.447396516814151,"endHours":6.9774302427708035,"quality":"auspicious"},{"name":"Amṛta","start":"06:59","end":"08:30","startHours":6.9774302427708035,"endHours":8.507463968727457,"quality":"auspicious"},{"name":"Kāla","start":"08:30","end":"10:02","startHours":8.507463968727457,"endHours":10.03749769468411,"quality":"inauspicious"},{"name":"Śubha","start":"10:02","end":"11:34","startHours":10.03749769468411,"endHours":11.567531420640762,"quality":"auspicious"},{"name":"Roga","start":"11:34","end":"13:06","startHours":11.567531420640762,"endHours":13.097565146597415,"quality":"inauspicious"},{"name":"Udveg","start":"13:06","end":"14:38","startHours":13.097565146597415,"endHours":14.627598872554067,"quality":"inauspicious"},{"name":"Chala","start":"14:38","end":"16:09","startHours":14.627598872554067,"endHours":16.15763259851072,"quality":"neutral"},{"name":"Labha","start":"16:09","end":"17:41","startHours":16.15763259851072,"endHours":17.687666324467372,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:41","end":"19:09","startHours":17.687666324467372,"endHours":19.15763259851072,"quality":"inauspicious"},{"name":"Chala","start":"19:09","end":"20:38","startHours":19.15763259851072,"endHours":20.627598872554067,"quality":"neutral"},{"name":"Labha","start":"20:38","end":"22:06","startHours":20.627598872554067,"endHours":22.097565146597415,"quality":"auspicious"},{"name":"Amṛta","start":"22:06","end":"23:34","startHours":22.097565146597415,"endHours":23.567531420640762,"quality":"auspicious"},{"name":"Kāla","start":"23:34","end":"01:02","startHours":23.567531420640762,"endHours":25.03749769468411,"quality":"inauspicious"},{"name":"Śubha","start":"01:02","end":"02:30","startHours":25.03749769468411,"endHours":26.507463968727457,"quality":"auspicious"},{"name":"Roga","start":"02:30","end":"03:59","startHours":26.507463968727457,"endHours":27.977430242770804,"quality":"inauspicious"},{"name":"Udveg","start":"03:59","end":"05:27","startHours":27.977430242770804,"endHours":29.447396516814152,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:27","end":"06:27","startHours":5.447396516814151,"endHours":6.447396516814151,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:27","end":"07:27","startHours":6.447396516814151,"endHours":7.447396516814151,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:27","end":"08:27","startHours":7.447396516814151,"endHours":8.447396516814152,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:27","end":"09:27","startHours":8.447396516814152,"endHours":9.447396516814152,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:27","end":"10:27","startHours":9.447396516814152,"endHours":10.447396516814152,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:27","end":"11:27","startHours":10.447396516814152,"endHours":11.447396516814152,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:27","end":"12:27","startHours":11.447396516814152,"endHours":12.447396516814152,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:27","end":"13:27","startHours":12.447396516814152,"endHours":13.447396516814152,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:27","end":"14:27","startHours":13.447396516814152,"endHours":14.447396516814152,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:27","end":"15:27","startHours":14.447396516814152,"endHours":15.447396516814152,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:27","end":"16:27","startHours":15.447396516814152,"endHours":16.447396516814152,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:27","end":"17:27","startHours":16.447396516814152,"endHours":17.447396516814152,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:27","end":"18:27","startHours":17.447396516814152,"endHours":18.447396516814152,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:27","end":"19:27","startHours":18.447396516814152,"endHours":19.447396516814152,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:27","end":"20:27","startHours":19.447396516814152,"endHours":20.447396516814152,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:27","end":"21:27","startHours":20.447396516814152,"endHours":21.447396516814152,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:27","end":"22:27","startHours":21.447396516814152,"endHours":22.447396516814152,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:27","end":"23:27","startHours":22.447396516814152,"endHours":23.447396516814152,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:27","end":"00:27","startHours":23.447396516814152,"endHours":24.447396516814152,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:27","end":"01:27","startHours":24.447396516814152,"endHours":25.447396516814152,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:27","end":"02:27","startHours":25.447396516814152,"endHours":26.447396516814152,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:27","end":"03:27","startHours":26.447396516814152,"endHours":27.447396516814152,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:27","end":"04:27","startHours":27.447396516814152,"endHours":28.447396516814152,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:27","end":"05:27","startHours":28.447396516814152,"endHours":29.447396516814152,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.0809176191929937,"eotMinutes":7.346914761554353,"ayanamsa":24.1005}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Amāvasyā · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"mahalaya-amavasya","name":"Mahālaya Amāvasyā (Sarvapitṛ Amāvasyā)","name_sanskrit":"महालय अमावस्या","tradition":"Pan-Hindu","associated_deity":"Pitṛ-deva","significance":"Final day of Pitṛ-Pakṣa; tarpaṇa for all ancestors.","vrata":true,"detection":{"tithi_number":30,"tithi_paksha":"Kṛṣṇa","lunar_month":"Āśvina"},"precedence":1}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Dedicated festival walk for Mahālaya Amāvasyā (Sarvapitṛ Amāvasyā) is not live yet; Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"tokyo"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 20, 2017 CE · Tokyo, Japan · Vidhyamitra","description":"September 20, 2017 CE for Tokyo, Japan: Kṛṣṇa Amāvasyā, sūryodaya 05:27, sūryāsta 17:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/tokyo/2017-09-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/tokyo/2017-09-20","sa":"https://sa.vidhyamitra.com/city/tokyo/2017-09-20","hi":"https://hi.vidhyamitra.com/city/tokyo/2017-09-20","x-default":"https://vidhyamitra.com/city/tokyo/2017-09-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T09:46:55.402Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-08-10T09:46:55.402Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T09:46:55.402Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}