{"id":"vidhyamitra:city-day:tokyo:2028-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/tokyo/2028-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2028-10-01","date_display":"October 1, 2028 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":2028,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462045.770833,"kali_year":5130,"ahargana":1873580.2708,"sun":{"sidereal_longitude":163.3234,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":313.5365,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.2131,"elapsed_within_tithi_degrees":6.2131},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":313.5365,"elapsed_within_degrees":6.8698},"yoga":{"number":9,"name":"Śūla","sum_longitude":116.8599},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2028,"month":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462045.770833,"ahargana":1873580.2708,"kali_year":5130,"ayanamsa_lahiri":24.2546,"grahas":{"sun":{"sidereal_longitude":164.138604,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":315.29600400000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":3.1712},"mars":{"sidereal_longitude":111.696304,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":166.93710399999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":163.66080399999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":123.73540400000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":15.737803999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":268.701,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":88.701,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":"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":2028,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462045.770833,"kali_year":5130,"ahargana":1873580.2708,"sun":{"sidereal_longitude":163.3234,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":313.5365,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.2131,"elapsed_within_tithi_degrees":6.2131},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":313.5365,"elapsed_within_degrees":6.8698},"yoga":{"number":9,"name":"Śūla","sum_longitude":116.8599},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.171,"elongation":150.213},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.171,"opposition_distance":29.787}},"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":"05:36","sunsetLocal":"17:25","solarNoonLocal":"11:30","dayLengthHours":11.817982914818565,"dayLengthDisplay":"11 Hours 49 Mins 05 Secs","nightLengthDisplay":"12 Hours 10 Mins 55 Secs","moonriseLocal":"15:55","moonsetLocal":"03:15","rahuKala":{"name":"Rāhu Kāla","start":"15:56","end":"17:25","startHours":15.93559418994722,"endHours":17.412842054299542,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:30","end":"12:59","startHours":11.50385059689026,"endHours":12.981098461242581,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:28","end":"15:56","startHours":14.458346325594901,"endHours":15.93559418994722,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:45","startHours":8.352388486271977,"endHours":8.74632125009926,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:05","end":"06:24","startHours":6.087275094265085,"endHours":6.402421305326913,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:07","end":"11:54","startHours":11.109917833062974,"endHours":11.897783360717545,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:01","end":"04:48","startHours":4.019128084171836,"endHours":4.806993611826407,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:37","end":"05:36","startHours":4.610027229912764,"endHours":5.5948591394809775,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:28","end":"14:16","startHours":13.473514416026687,"endHours":14.261379943681257,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.212842054299543,"endHours":17.61284205429954,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:54","startHours":17.412842054299542,"endHours":17.90525800908365,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.162842054299542,"endHours":18.912842054299542,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:07","end":"23:54","startHours":23.109917833062973,"endHours":23.897783360717547,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:36","end":"07:04","startHours":5.5948591394809775,"endHours":7.072107003833298,"quality":"inauspicious"},{"name":"Chala","start":"07:04","end":"08:33","startHours":7.072107003833298,"endHours":8.549354868185619,"quality":"neutral"},{"name":"Labha","start":"08:33","end":"10:02","startHours":8.549354868185619,"endHours":10.026602732537938,"quality":"auspicious"},{"name":"Amṛta","start":"10:02","end":"11:30","startHours":10.026602732537938,"endHours":11.50385059689026,"quality":"auspicious"},{"name":"Kāla","start":"11:30","end":"12:59","startHours":11.50385059689026,"endHours":12.981098461242581,"quality":"inauspicious"},{"name":"Śubha","start":"12:59","end":"14:28","startHours":12.981098461242581,"endHours":14.458346325594901,"quality":"auspicious"},{"name":"Roga","start":"14:28","end":"15:56","startHours":14.458346325594901,"endHours":15.93559418994722,"quality":"inauspicious"},{"name":"Udveg","start":"15:56","end":"17:25","startHours":15.93559418994722,"endHours":17.412842054299542,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:25","end":"18:56","startHours":17.412842054299542,"endHours":18.93559418994722,"quality":"auspicious"},{"name":"Roga","start":"18:56","end":"20:28","startHours":18.93559418994722,"endHours":20.458346325594903,"quality":"inauspicious"},{"name":"Udveg","start":"20:28","end":"21:59","startHours":20.458346325594903,"endHours":21.98109846124258,"quality":"inauspicious"},{"name":"Chala","start":"21:59","end":"23:30","startHours":21.98109846124258,"endHours":23.50385059689026,"quality":"neutral"},{"name":"Labha","start":"23:30","end":"01:02","startHours":23.50385059689026,"endHours":25.02660273253794,"quality":"auspicious"},{"name":"Amṛta","start":"01:02","end":"02:33","startHours":25.02660273253794,"endHours":26.549354868185617,"quality":"auspicious"},{"name":"Kāla","start":"02:33","end":"04:04","startHours":26.549354868185617,"endHours":28.0721070038333,"quality":"inauspicious"},{"name":"Śubha","start":"04:04","end":"05:36","startHours":28.0721070038333,"endHours":29.594859139480977,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:36","end":"06:36","startHours":5.5948591394809775,"endHours":6.5948591394809775,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:36","end":"07:36","startHours":6.5948591394809775,"endHours":7.5948591394809775,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:36","end":"08:36","startHours":7.5948591394809775,"endHours":8.594859139480977,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:36","end":"09:36","startHours":8.594859139480977,"endHours":9.594859139480977,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:36","end":"10:36","startHours":9.594859139480977,"endHours":10.594859139480977,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:36","end":"11:36","startHours":10.594859139480977,"endHours":11.594859139480977,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:36","end":"12:36","startHours":11.594859139480977,"endHours":12.594859139480977,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:36","end":"13:36","startHours":12.594859139480977,"endHours":13.594859139480977,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:36","end":"14:36","startHours":13.594859139480977,"endHours":14.594859139480977,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:36","end":"15:36","startHours":14.594859139480977,"endHours":15.594859139480977,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:36","end":"16:36","startHours":15.594859139480977,"endHours":16.594859139480977,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:36","end":"17:36","startHours":16.594859139480977,"endHours":17.594859139480977,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:36","end":"18:36","startHours":17.594859139480977,"endHours":18.594859139480977,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:36","end":"19:36","startHours":18.594859139480977,"endHours":19.594859139480977,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:36","end":"20:36","startHours":19.594859139480977,"endHours":20.594859139480977,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:36","end":"21:36","startHours":20.594859139480977,"endHours":21.594859139480977,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:36","end":"22:36","startHours":21.594859139480977,"endHours":22.594859139480977,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:36","end":"23:36","startHours":22.594859139480977,"endHours":23.594859139480977,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:36","end":"00:36","startHours":23.594859139480977,"endHours":24.594859139480977,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:36","end":"01:36","startHours":24.594859139480977,"endHours":25.594859139480977,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:36","end":"02:36","startHours":25.594859139480977,"endHours":26.594859139480977,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:36","end":"03:36","startHours":26.594859139480977,"endHours":27.594859139480977,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:36","end":"04:36","startHours":27.594859139480977,"endHours":28.594859139480977,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:36","end":"05:36","startHours":28.594859139480977,"endHours":29.594859139480977,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-3.328194571036038,"eotMinutes":11.167764186584405,"ayanamsa":24.2546}},"calendars":{"vikram_samvat":2085,"vikram_samvatsara":"Durmati","saka_samvat":1950,"saka_samvatsara":"Kīlaka","bengali_samvat":1435,"malayalam_era":1204,"nanakshahi_year":559,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Trayodaśī · Vikram 2085 Durmati · Śaka 1950 Kīlaka"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 October 1, 2028 CE · Tokyo, Japan · Vidhyamitra","description":"October 1, 2028 CE for Tokyo, Japan: Śukla Trayodaśī, sūryodaya 05:36, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/tokyo/2028-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/tokyo/2028-10-01","sa":"https://sa.vidhyamitra.com/city/tokyo/2028-10-01","hi":"https://hi.vidhyamitra.com/city/tokyo/2028-10-01","x-default":"https://vidhyamitra.com/city/tokyo/2028-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T20:39:39.673Z","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":"2026-05-14T20:39:39.673Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T20:39:39.673Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}