{"id":"vidhyamitra:city-day:tokyo:2012-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/tokyo/2012-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-01-28","date_display":"January 28, 2012 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":2012,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455954.770833,"kali_year":5113,"ahargana":1867489.2708,"sun":{"sidereal_longitude":283.4379,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":340.8033,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.3654,"elapsed_within_tithi_degrees":9.3654},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.8033,"elapsed_within_degrees":7.47},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.2413},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2012,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455954.770833,"ahargana":1867489.2708,"kali_year":5113,"ayanamsa_lahiri":24.0217,"grahas":{"sun":{"sidereal_longitude":283.48192500000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":339.314225,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":4.2448},"mars":{"sidereal_longitude":148.75782500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":276.33702500000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":8.008224999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":322.47682499999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":185.12832500000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":231.4314,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":51.4314,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"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":2012,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455954.770833,"kali_year":5113,"ahargana":1867489.2708,"sun":{"sidereal_longitude":283.4379,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":340.8033,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.3654,"elapsed_within_tithi_degrees":9.3654},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.8033,"elapsed_within_degrees":7.47},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.2413},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.245,"elongation":57.365},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.245,"opposition_distance":122.635}},"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":"06:45","sunsetLocal":"17:04","solarNoonLocal":"11:54","dayLengthHours":10.306518598172403,"dayLengthDisplay":"10 Hours 18 Mins 23 Secs","nightLengthDisplay":"13 Hours 41 Mins 37 Secs","moonriseLocal":"09:31","moonsetLocal":"21:44","rahuKala":{"name":"Rāhu Kāla","start":"09:20","end":"10:37","startHours":9.329594217704663,"endHours":10.617909042476214,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:12","end":"14:29","startHours":13.194538692019314,"endHours":14.482853516790865,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:45","end":"08:02","startHours":6.752964568161563,"endHours":8.041279392933113,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:30","startHours":9.157818907735123,"endHours":9.501369527674203,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:27","startHours":7.182402843085413,"endHours":7.457243339036677,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:15","startHours":11.562673247308684,"endHours":12.249774487186844,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:23","end":"06:04","startHours":5.378762088405242,"endHours":6.0658633282834025,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:45","startHours":5.894088018313862,"endHours":6.752964568161563,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:37","end":"14:19","startHours":13.623976966943165,"endHours":14.311078206821325,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:52","end":"17:16","startHours":16.859483166333966,"endHours":17.259483166333965,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:04","end":"17:29","startHours":17.059483166333965,"endHours":17.488921441257816,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:49","end":"18:34","startHours":16.809483166333965,"endHours":18.559483166333965,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:15","startHours":23.562673247308684,"endHours":24.249774487186844,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:45","end":"08:02","startHours":6.752964568161563,"endHours":8.041279392933113,"quality":"inauspicious"},{"name":"Śubha","start":"08:02","end":"09:20","startHours":8.041279392933113,"endHours":9.329594217704663,"quality":"auspicious"},{"name":"Roga","start":"09:20","end":"10:37","startHours":9.329594217704663,"endHours":10.617909042476214,"quality":"inauspicious"},{"name":"Udveg","start":"10:37","end":"11:54","startHours":10.617909042476214,"endHours":11.906223867247764,"quality":"inauspicious"},{"name":"Chala","start":"11:54","end":"13:12","startHours":11.906223867247764,"endHours":13.194538692019314,"quality":"neutral"},{"name":"Labha","start":"13:12","end":"14:29","startHours":13.194538692019314,"endHours":14.482853516790865,"quality":"auspicious"},{"name":"Amṛta","start":"14:29","end":"15:46","startHours":14.482853516790865,"endHours":15.771168341562415,"quality":"auspicious"},{"name":"Kāla","start":"15:46","end":"17:04","startHours":15.771168341562415,"endHours":17.059483166333965,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:04","end":"18:46","startHours":17.059483166333965,"endHours":18.771168341562415,"quality":"auspicious"},{"name":"Amṛta","start":"18:46","end":"20:29","startHours":18.771168341562415,"endHours":20.482853516790865,"quality":"auspicious"},{"name":"Kāla","start":"20:29","end":"22:12","startHours":20.482853516790865,"endHours":22.194538692019314,"quality":"inauspicious"},{"name":"Śubha","start":"22:12","end":"23:54","startHours":22.194538692019314,"endHours":23.906223867247764,"quality":"auspicious"},{"name":"Roga","start":"23:54","end":"01:37","startHours":23.906223867247764,"endHours":25.617909042476214,"quality":"inauspicious"},{"name":"Udveg","start":"01:37","end":"03:20","startHours":25.617909042476214,"endHours":27.329594217704663,"quality":"inauspicious"},{"name":"Chala","start":"03:20","end":"05:02","startHours":27.329594217704663,"endHours":29.041279392933113,"quality":"neutral"},{"name":"Labha","start":"05:02","end":"06:45","startHours":29.041279392933113,"endHours":30.752964568161563,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.752964568161563,"endHours":7.752964568161563,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.752964568161563,"endHours":8.752964568161563,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.752964568161563,"endHours":9.752964568161563,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.752964568161563,"endHours":10.752964568161563,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.752964568161563,"endHours":11.752964568161563,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.752964568161563,"endHours":12.752964568161563,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.752964568161563,"endHours":13.752964568161563,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.752964568161563,"endHours":14.752964568161563,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.752964568161563,"endHours":15.752964568161563,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.752964568161563,"endHours":16.752964568161563,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.752964568161563,"endHours":17.752964568161563,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.752964568161563,"endHours":18.752964568161563,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.752964568161563,"endHours":19.752964568161563,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.752964568161563,"endHours":20.752964568161563,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.752964568161563,"endHours":21.752964568161563,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.752964568161563,"endHours":22.752964568161563,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.752964568161563,"endHours":23.752964568161563,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.752964568161563,"endHours":24.752964568161563,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.752964568161563,"endHours":25.752964568161563,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.752964568161563,"endHours":26.752964568161563,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.752964568161563,"endHours":27.752964568161563,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.752964568161563,"endHours":28.752964568161563,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.752964568161563,"endHours":29.752964568161563,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.752964568161563,"endHours":30.752964568161563,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.392634681377228,"eotMinutes":-12.974632034865841,"ayanamsa":24.0217}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pañcamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"sarasvati-jayanti","name":"Sarasvatī Jayantī (Vasanta Pañchamī)","name_sanskrit":"सरस्वती जयन्ती / वसन्त पञ्चमी","tradition":"Pan-Hindu","associated_deity":"Sarasvatī (Vāk-tattva)","significance":"Manifestation of Devī Sarasvatī; vidyā-ārambha day; vasanta-ṛtu begins.","vrata":true,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Skanda Purāṇa","Devī Bhāgavata"]}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 January 28, 2012 CE · Tokyo, Japan · Vidhyamitra","description":"January 28, 2012 CE for Tokyo, Japan: Śukla Pañcamī, sūryodaya 06:45, sūryāsta 17:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/tokyo/2012-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/tokyo/2012-01-28","sa":"https://sa.vidhyamitra.com/city/tokyo/2012-01-28","hi":"https://hi.vidhyamitra.com/city/tokyo/2012-01-28","x-default":"https://vidhyamitra.com/city/tokyo/2012-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:16:18.424Z","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":"2026-05-31T14:16:18.424Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:16:18.424Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}