{"id":"vidhyamitra:city-day:ayodhya:2159-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2159-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2159-10-18","date_display":"October 18, 2159 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":2159,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509908.770833,"kali_year":5261,"ahargana":1921443.2708,"sun":{"sidereal_longitude":177.2562,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":254.8442,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.588,"elapsed_within_tithi_degrees":5.588},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":254.8442,"elapsed_within_degrees":1.5109},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":72.1005},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2159,"month":10,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509908.770833,"ahargana":1921443.2708,"kali_year":5261,"ayanamsa_lahiri":26.0852,"grahas":{"sun":{"sidereal_longitude":178.37728500000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":253.834385,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":0.1691},"mars":{"sidereal_longitude":268.27568499999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":166.74178499999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":176.88388499999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":132.91848500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":182.93118500000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":252.6889,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":72.6889,"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":2159,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509908.770833,"kali_year":5261,"ahargana":1921443.2708,"sun":{"sidereal_longitude":177.2562,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":254.8442,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.588,"elapsed_within_tithi_degrees":5.588},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":254.8442,"elapsed_within_degrees":1.5109},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":72.1005},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.169,"elongation":77.588},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.169,"opposition_distance":102.412}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:01","sunsetLocal":"17:30","solarNoonLocal":"11:46","dayLengthHours":11.48140965915237,"dayLengthDisplay":"11 Hours 28 Mins 53 Secs","nightLengthDisplay":"12 Hours 31 Mins 07 Secs","moonriseLocal":"11:34","moonsetLocal":"22:01","rahuKala":{"name":"Rāhu Kāla","start":"13:12","end":"14:38","startHours":13.198315237340406,"endHours":14.633491444734451,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:01","end":"07:27","startHours":6.022434200370174,"endHours":7.4576104077642205,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:54","end":"10:20","startHours":8.892786615158267,"endHours":10.327962822552312,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:05","startHours":8.701429787505727,"endHours":9.084143442810806,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:48","startHours":6.500826269501523,"endHours":6.806997193745587,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:09","startHours":11.38042537464128,"endHours":12.145852685251437,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:15","startHours":4.4915795791498585,"endHours":5.257006889760016,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:01","startHours":5.065650062107477,"endHours":6.022434200370174,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:27","startHours":13.676707306471755,"endHours":14.442134617081914,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.303843859522544,"endHours":17.703843859522543,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:59","startHours":17.503843859522544,"endHours":17.982235928653893,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.253843859522544,"endHours":19.003843859522544,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:09","startHours":23.38042537464128,"endHours":24.145852685251437,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:01","end":"07:27","startHours":6.022434200370174,"endHours":7.4576104077642205,"quality":"auspicious"},{"name":"Roga","start":"07:27","end":"08:54","startHours":7.4576104077642205,"endHours":8.892786615158267,"quality":"inauspicious"},{"name":"Udveg","start":"08:54","end":"10:20","startHours":8.892786615158267,"endHours":10.327962822552312,"quality":"inauspicious"},{"name":"Chala","start":"10:20","end":"11:46","startHours":10.327962822552312,"endHours":11.763139029946359,"quality":"neutral"},{"name":"Labha","start":"11:46","end":"13:12","startHours":11.763139029946359,"endHours":13.198315237340406,"quality":"auspicious"},{"name":"Amṛta","start":"13:12","end":"14:38","startHours":13.198315237340406,"endHours":14.633491444734451,"quality":"auspicious"},{"name":"Kāla","start":"14:38","end":"16:04","startHours":14.633491444734451,"endHours":16.068667652128497,"quality":"inauspicious"},{"name":"Śubha","start":"16:04","end":"17:30","startHours":16.068667652128497,"endHours":17.503843859522544,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:30","end":"19:04","startHours":17.503843859522544,"endHours":19.068667652128497,"quality":"auspicious"},{"name":"Kāla","start":"19:04","end":"20:38","startHours":19.068667652128497,"endHours":20.633491444734453,"quality":"inauspicious"},{"name":"Śubha","start":"20:38","end":"22:12","startHours":20.633491444734453,"endHours":22.198315237340406,"quality":"auspicious"},{"name":"Roga","start":"22:12","end":"23:46","startHours":22.198315237340406,"endHours":23.76313902994636,"quality":"inauspicious"},{"name":"Udveg","start":"23:46","end":"01:20","startHours":23.76313902994636,"endHours":25.327962822552312,"quality":"inauspicious"},{"name":"Chala","start":"01:20","end":"02:54","startHours":25.327962822552312,"endHours":26.892786615158265,"quality":"neutral"},{"name":"Labha","start":"02:54","end":"04:27","startHours":26.892786615158265,"endHours":28.45761040776422,"quality":"auspicious"},{"name":"Amṛta","start":"04:27","end":"06:01","startHours":28.45761040776422,"endHours":30.022434200370174,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.022434200370174,"endHours":7.022434200370174,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.022434200370174,"endHours":8.022434200370174,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.022434200370174,"endHours":9.022434200370174,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.022434200370174,"endHours":10.022434200370174,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.022434200370174,"endHours":11.022434200370174,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.022434200370174,"endHours":12.022434200370174,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.022434200370174,"endHours":13.022434200370174,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.022434200370174,"endHours":14.022434200370174,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.022434200370174,"endHours":15.022434200370174,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.022434200370174,"endHours":16.022434200370174,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.022434200370174,"endHours":17.022434200370174,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.022434200370174,"endHours":18.022434200370174,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.022434200370174,"endHours":19.022434200370174,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.022434200370174,"endHours":20.022434200370174,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.022434200370174,"endHours":21.022434200370174,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.022434200370174,"endHours":22.022434200370174,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.022434200370174,"endHours":23.022434200370174,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.022434200370174,"endHours":24.022434200370174,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.022434200370174,"endHours":25.022434200370174,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.022434200370174,"endHours":26.022434200370174,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.022434200370174,"endHours":27.022434200370174,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.022434200370174,"endHours":28.022434200370174,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.022434200370174,"endHours":29.022434200370174,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.022434200370174,"endHours":30.022434200370174,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Śrīvatsa","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":-9.479804816184997,"eotMinutes":15.395658203218455,"ayanamsa":26.0852}},"calendars":{"vikram_samvat":2216,"vikram_samvatsara":"Aṅgirasa","saka_samvat":2081,"saka_samvatsara":"Siddhārthī","bengali_samvat":1566,"malayalam_era":1335,"nanakshahi_year":690,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Saptamī · Vikram 2216 Aṅgirasa · Śaka 2081 Siddhārthī"},"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}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 18, 2159 CE · Ayodhyā · Vidhyamitra","description":"October 18, 2159 CE for Ayodhyā: Śukla Saptamī, sūryodaya 06:01, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2159-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2159-10-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2159-10-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2159-10-18","x-default":"https://vidhyamitra.com/city/ayodhya/2159-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T17:49:12.537Z","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":"2026-05-19T17:49:12.537Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T17:49:12.537Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}