{"id":"vidhyamitra:city-day:tokyo:2011-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/tokyo/2011-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-01-04","date_display":"January 4, 2011 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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2011,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455565.770833,"kali_year":5112,"ahargana":1867100.2708,"sun":{"sidereal_longitude":259.0689,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":256.7621,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.6932,"elapsed_within_tithi_degrees":9.6932},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":256.7621,"elapsed_within_degrees":3.4288},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.831},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2011,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455565.770833,"ahargana":1867100.2708,"kali_year":5112,"ayanamsa_lahiri":24.0068,"grahas":{"sun":{"sidereal_longitude":259.304987,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":255.27768700000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":0.3699},"mars":{"sidereal_longitude":266.580687,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":236.85638700000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":333.018287,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":212.30288700000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":172.528687,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":252.0425,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":72.0425,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2011,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455565.770833,"kali_year":5112,"ahargana":1867100.2708,"sun":{"sidereal_longitude":259.0689,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":256.7621,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.6932,"elapsed_within_tithi_degrees":9.6932},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":256.7621,"elapsed_within_degrees":3.4288},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.831},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":true,"moon_latitude":0.37,"elongation":2.307},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.37,"opposition_distance":177.693}},"eclipse_window_40days":[{"offset_days":0,"type":"solar","occurs":true,"moon_latitude":0.37,"elongation":2.307}]},"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":"06:52","sunsetLocal":"16:41","solarNoonLocal":"11:46","dayLengthHours":9.816405104874466,"dayLengthDisplay":"9 Hours 48 Mins 59 Secs","nightLengthDisplay":"14 Hours 11 Mins 01 Secs","moonriseLocal":"06:38","moonsetLocal":"16:22","rahuKala":{"name":"Rāhu Kāla","start":"14:14","end":"15:27","startHours":14.227813057307719,"endHours":15.454863695417028,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:19","end":"10:33","startHours":9.319610504870486,"endHours":10.546661142979794,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:46","end":"13:00","startHours":11.773711781089101,"endHours":13.00076241919841,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:29","startHours":9.156003753122578,"endHours":9.483217256618394,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:16","end":"07:32","startHours":7.274526108021639,"endHours":7.536296910818291,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:27","end":"12:06","startHours":11.446498277593287,"endHours":12.10092528458492,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:33","end":"06:13","startHours":5.5566552146686075,"endHours":6.211082221660238,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:03","end":"06:52","startHours":6.047475469912331,"endHours":6.865509228651869,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:25","end":"14:04","startHours":13.409779298568179,"endHours":14.064206305559809,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:29","end":"16:53","startHours":16.481914333526337,"endHours":16.881914333526336,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:41","end":"17:05","startHours":16.681914333526336,"endHours":17.090931212896106,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:26","end":"18:11","startHours":16.431914333526336,"endHours":18.181914333526336,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:27","end":"00:06","startHours":23.44649827759329,"endHours":24.10092528458492,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:52","end":"08:06","startHours":6.865509228651869,"endHours":8.092559866761178,"quality":"inauspicious"},{"name":"Udveg","start":"08:06","end":"09:19","startHours":8.092559866761178,"endHours":9.319610504870486,"quality":"inauspicious"},{"name":"Chala","start":"09:19","end":"10:33","startHours":9.319610504870486,"endHours":10.546661142979794,"quality":"neutral"},{"name":"Labha","start":"10:33","end":"11:46","startHours":10.546661142979794,"endHours":11.773711781089101,"quality":"auspicious"},{"name":"Amṛta","start":"11:46","end":"13:00","startHours":11.773711781089101,"endHours":13.00076241919841,"quality":"auspicious"},{"name":"Kāla","start":"13:00","end":"14:14","startHours":13.00076241919841,"endHours":14.227813057307719,"quality":"inauspicious"},{"name":"Śubha","start":"14:14","end":"15:27","startHours":14.227813057307719,"endHours":15.454863695417028,"quality":"auspicious"},{"name":"Roga","start":"15:27","end":"16:41","startHours":15.454863695417028,"endHours":16.681914333526336,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"16:41","end":"18:27","startHours":16.681914333526336,"endHours":18.45486369541703,"quality":"inauspicious"},{"name":"Śubha","start":"18:27","end":"20:14","startHours":18.45486369541703,"endHours":20.22781305730772,"quality":"auspicious"},{"name":"Roga","start":"20:14","end":"22:00","startHours":20.22781305730772,"endHours":22.00076241919841,"quality":"inauspicious"},{"name":"Udveg","start":"22:00","end":"23:46","startHours":22.00076241919841,"endHours":23.773711781089105,"quality":"inauspicious"},{"name":"Chala","start":"23:46","end":"01:33","startHours":23.773711781089105,"endHours":25.546661142979794,"quality":"neutral"},{"name":"Labha","start":"01:33","end":"03:19","startHours":25.546661142979794,"endHours":27.319610504870486,"quality":"auspicious"},{"name":"Amṛta","start":"03:19","end":"05:06","startHours":27.319610504870486,"endHours":29.092559866761178,"quality":"auspicious"},{"name":"Kāla","start":"05:06","end":"06:52","startHours":29.092559866761178,"endHours":30.86550922865187,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.865509228651869,"endHours":7.865509228651869,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.865509228651869,"endHours":8.86550922865187,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.86550922865187,"endHours":9.86550922865187,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.86550922865187,"endHours":10.86550922865187,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.86550922865187,"endHours":11.86550922865187,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.86550922865187,"endHours":12.86550922865187,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.86550922865187,"endHours":13.86550922865187,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.86550922865187,"endHours":14.86550922865187,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.86550922865187,"endHours":15.86550922865187,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.86550922865187,"endHours":16.86550922865187,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.86550922865187,"endHours":17.86550922865187,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.86550922865187,"endHours":18.86550922865187,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.86550922865187,"endHours":19.86550922865187,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.86550922865187,"endHours":20.86550922865187,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.86550922865187,"endHours":21.86550922865187,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.86550922865187,"endHours":22.86550922865187,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.86550922865187,"endHours":23.86550922865187,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.86550922865187,"endHours":24.86550922865187,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.86550922865187,"endHours":25.86550922865187,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.86550922865187,"endHours":26.86550922865187,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.86550922865187,"endHours":27.86550922865187,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.86550922865187,"endHours":28.86550922865187,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.86550922865187,"endHours":29.86550922865187,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.86550922865187,"endHours":30.86550922865187,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.770817117227057,"eotMinutes":-5.02390686534617,"ayanamsa":24.0068}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Amāvasyā · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"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 January 4, 2011 CE · Tokyo, Japan · Vidhyamitra","description":"January 4, 2011 CE for Tokyo, Japan: Kṛṣṇa Amāvasyā, sūryodaya 06:52, sūryāsta 16:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/tokyo/2011-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/tokyo/2011-01-04","sa":"https://sa.vidhyamitra.com/city/tokyo/2011-01-04","hi":"https://hi.vidhyamitra.com/city/tokyo/2011-01-04","x-default":"https://vidhyamitra.com/city/tokyo/2011-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:13:01.363Z","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":"2026-06-02T15:13:01.363Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:13:01.363Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}