{"id":"vidhyamitra:city-day:ayodhya:2170-09-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2170-09-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-09-27","date_display":"September 27, 2170 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":2170,"month":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513905.770833,"kali_year":5272,"ahargana":1925440.2708,"sun":{"sidereal_longitude":156.7103,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":359.2996,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":202.5893,"elapsed_within_tithi_degrees":10.5893},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":359.2996,"elapsed_within_degrees":12.6329},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.0099},"karana":{"half_tithi_index":33,"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":2170,"month":9,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513905.770833,"ahargana":1925440.2708,"kali_year":5272,"ayanamsa_lahiri":26.2381,"grahas":{"sun":{"sidereal_longitude":157.86667,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":357.84647,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-2.9865},"mars":{"sidereal_longitude":206.27737000000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":168.90037000000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":151.92156999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":133.16267,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":302.84117000000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":40.9086,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":220.9086,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2170,"month":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513905.770833,"kali_year":5272,"ahargana":1925440.2708,"sun":{"sidereal_longitude":156.7103,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":359.2996,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":202.5893,"elapsed_within_tithi_degrees":10.5893},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":359.2996,"elapsed_within_degrees":12.6329},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.0099},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.986,"elongation":157.411},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.986,"opposition_distance":22.589}},"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":"05:51","sunsetLocal":"17:52","solarNoonLocal":"11:51","dayLengthHours":12.014573617767367,"dayLengthDisplay":"12 Hours 00 Mins 52 Secs","nightLengthDisplay":"11 Hours 59 Mins 08 Secs","moonriseLocal":"18:50","moonsetLocal":"07:33","rahuKala":{"name":"Rāhu Kāla","start":"13:21","end":"14:52","startHours":13.357542275642288,"endHours":14.859363977863207,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:51","end":"07:21","startHours":5.848433764537683,"endHours":7.350255466758604,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:51","end":"10:21","startHours":8.852077168979525,"endHours":10.353898871200446,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:03","startHours":8.651834275350069,"endHours":9.052320062608981,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:40","startHours":6.349040998611323,"endHours":6.669429628418452,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:27","end":"12:15","startHours":11.455234786162453,"endHours":12.256206360680277,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:03","startHours":4.246490615502034,"endHours":5.047462190019859,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:51","end":"05:51","startHours":4.847219296390403,"endHours":5.848433764537683,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:40","startHours":13.858149509715927,"endHours":14.659121084233751,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.66300738230505,"endHours":18.06300738230505,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:22","startHours":17.86300738230505,"endHours":18.36361461637869,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.61300738230505,"endHours":19.36300738230505,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:27","end":"00:15","startHours":23.455234786162453,"endHours":24.256206360680277,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:51","end":"07:21","startHours":5.848433764537683,"endHours":7.350255466758604,"quality":"auspicious"},{"name":"Roga","start":"07:21","end":"08:51","startHours":7.350255466758604,"endHours":8.852077168979525,"quality":"inauspicious"},{"name":"Udveg","start":"08:51","end":"10:21","startHours":8.852077168979525,"endHours":10.353898871200446,"quality":"inauspicious"},{"name":"Chala","start":"10:21","end":"11:51","startHours":10.353898871200446,"endHours":11.855720573421365,"quality":"neutral"},{"name":"Labha","start":"11:51","end":"13:21","startHours":11.855720573421365,"endHours":13.357542275642288,"quality":"auspicious"},{"name":"Amṛta","start":"13:21","end":"14:52","startHours":13.357542275642288,"endHours":14.859363977863207,"quality":"auspicious"},{"name":"Kāla","start":"14:52","end":"16:22","startHours":14.859363977863207,"endHours":16.361185680084127,"quality":"inauspicious"},{"name":"Śubha","start":"16:22","end":"17:52","startHours":16.361185680084127,"endHours":17.86300738230505,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:52","end":"19:22","startHours":17.86300738230505,"endHours":19.36118568008413,"quality":"auspicious"},{"name":"Kāla","start":"19:22","end":"20:52","startHours":19.36118568008413,"endHours":20.859363977863207,"quality":"inauspicious"},{"name":"Śubha","start":"20:52","end":"22:21","startHours":20.859363977863207,"endHours":22.357542275642288,"quality":"auspicious"},{"name":"Roga","start":"22:21","end":"23:51","startHours":22.357542275642288,"endHours":23.855720573421365,"quality":"inauspicious"},{"name":"Udveg","start":"23:51","end":"01:21","startHours":23.855720573421365,"endHours":25.353898871200446,"quality":"inauspicious"},{"name":"Chala","start":"01:21","end":"02:51","startHours":25.353898871200446,"endHours":26.852077168979527,"quality":"neutral"},{"name":"Labha","start":"02:51","end":"04:21","startHours":26.852077168979527,"endHours":28.350255466758604,"quality":"auspicious"},{"name":"Amṛta","start":"04:21","end":"05:51","startHours":28.350255466758604,"endHours":29.84843376453768,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.848433764537683,"endHours":6.848433764537683,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.848433764537683,"endHours":7.848433764537683,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.848433764537683,"endHours":8.848433764537683,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.848433764537683,"endHours":9.848433764537683,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.848433764537683,"endHours":10.848433764537683,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.848433764537683,"endHours":11.848433764537683,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.848433764537683,"endHours":12.848433764537683,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.848433764537683,"endHours":13.848433764537683,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.848433764537683,"endHours":14.848433764537683,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.848433764537683,"endHours":15.848433764537683,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.848433764537683,"endHours":16.84843376453768,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.84843376453768,"endHours":17.84843376453768,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.84843376453768,"endHours":18.84843376453768,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.84843376453768,"endHours":19.84843376453768,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.84843376453768,"endHours":20.84843376453768,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.84843376453768,"endHours":21.84843376453768,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.84843376453768,"endHours":22.84843376453768,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.84843376453768,"endHours":23.84843376453768,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.84843376453768,"endHours":24.84843376453768,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.84843376453768,"endHours":25.84843376453768,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.84843376453768,"endHours":26.84843376453768,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.84843376453768,"endHours":27.84843376453768,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.84843376453768,"endHours":28.84843376453768,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.84843376453768,"endHours":29.84843376453768,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","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":-1.6314245066372333,"eotMinutes":9.840765594718077,"ayanamsa":26.2381}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Dvitīyā · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"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 September 27, 2170 CE · Ayodhyā · Vidhyamitra","description":"September 27, 2170 CE for Ayodhyā: Kṛṣṇa Dvitīyā, sūryodaya 05:51, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2170-09-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2170-09-27","sa":"https://sa.vidhyamitra.com/city/ayodhya/2170-09-27","hi":"https://hi.vidhyamitra.com/city/ayodhya/2170-09-27","x-default":"https://vidhyamitra.com/city/ayodhya/2170-09-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T14:36:11.010Z","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":"2026-05-20T14:36:11.010Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T14:36:11.010Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}