{"id":"vidhyamitra:city-day:colombo:2018-01-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2018-01-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-01-08","date_display":"January 8, 2018 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":2018,"month":1,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458126.770833,"kali_year":5119,"ahargana":1869661.2708,"sun":{"sidereal_longitude":263.3749,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":159.7275,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":256.3526,"elapsed_within_tithi_degrees":4.3526},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":159.7275,"elapsed_within_degrees":13.0608},"yoga":{"number":5,"name":"Śobhana","sum_longitude":63.1023},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2018,"month":1,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458126.770833,"ahargana":1869661.2708,"kali_year":5119,"ayanamsa_lahiri":24.1047,"grahas":{"sun":{"sidereal_longitude":263.590238,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":162.98363800000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false,"latitude":3.089},"mars":{"sidereal_longitude":204.14603799999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":241.44053799999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":203.74713799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":263.04373799999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":247.957038,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":116.3484,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":296.3484,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"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":2018,"month":1,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458126.770833,"kali_year":5119,"ahargana":1869661.2708,"sun":{"sidereal_longitude":263.3749,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":159.7275,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":256.3526,"elapsed_within_tithi_degrees":4.3526},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":159.7275,"elapsed_within_degrees":13.0608},"yoga":{"number":5,"name":"Śobhana","sum_longitude":63.1023},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.089,"elongation":103.647},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.089,"opposition_distance":76.353}},"eclipse_window_40days":[]},"city":{"slug":"colombo","name":"Colombo, Sri Lanka","lat":6.9271,"lon":79.8612,"tz_offset_hours":5.5,"country":"LK","tier":"diaspora"},"tier2":{"city":{"slug":"colombo","name":"Colombo, Sri Lanka","lat":6.9271,"lon":79.8612,"tz_offset_hours":5.5,"country":"LK","tier":"diaspora"},"sunriseLocal":"06:25","sunsetLocal":"18:09","solarNoonLocal":"12:17","dayLengthHours":11.740820563218296,"dayLengthDisplay":"11 Hours 44 Mins 27 Secs","nightLengthDisplay":"12 Hours 15 Mins 33 Secs","moonriseLocal":"23:34","moonsetLocal":"11:36","rahuKala":{"name":"Rāhu Kāla","start":"07:53","end":"09:21","startHours":7.88480818268193,"endHours":9.352410753084216,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:49","end":"12:17","startHours":10.820013323486503,"endHours":12.287615893888791,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:45","end":"15:13","startHours":13.755218464291076,"endHours":15.222821034693364,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:33","startHours":9.156730410363911,"endHours":9.548091095804521,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:13","startHours":6.906406469080404,"endHours":7.219495017432893,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:41","startHours":11.89625520844818,"endHours":12.6789765793294,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:51","end":"05:38","startHours":4.851762870517202,"endHours":5.634484241398423,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:26","end":"06:25","startHours":5.438803898678118,"endHours":6.417205612279642,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:02","startHours":14.24441932109184,"endHours":15.02714069197306,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.95802617549794,"endHours":18.358026175497937,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:39","startHours":18.158026175497938,"endHours":18.6472270322987,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.908026175497938,"endHours":19.658026175497938,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:41","startHours":23.89625520844818,"endHours":24.6789765793294,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:25","end":"07:53","startHours":6.417205612279642,"endHours":7.88480818268193,"quality":"auspicious"},{"name":"Kāla","start":"07:53","end":"09:21","startHours":7.88480818268193,"endHours":9.352410753084216,"quality":"inauspicious"},{"name":"Śubha","start":"09:21","end":"10:49","startHours":9.352410753084216,"endHours":10.820013323486503,"quality":"auspicious"},{"name":"Roga","start":"10:49","end":"12:17","startHours":10.820013323486503,"endHours":12.287615893888791,"quality":"inauspicious"},{"name":"Udveg","start":"12:17","end":"13:45","startHours":12.287615893888791,"endHours":13.755218464291076,"quality":"inauspicious"},{"name":"Chala","start":"13:45","end":"15:13","startHours":13.755218464291076,"endHours":15.222821034693364,"quality":"neutral"},{"name":"Labha","start":"15:13","end":"16:41","startHours":15.222821034693364,"endHours":16.690423605095653,"quality":"auspicious"},{"name":"Amṛta","start":"16:41","end":"18:09","startHours":16.690423605095653,"endHours":18.158026175497938,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:09","end":"19:41","startHours":18.158026175497938,"endHours":19.69042360509565,"quality":"neutral"},{"name":"Labha","start":"19:41","end":"21:13","startHours":19.69042360509565,"endHours":21.222821034693364,"quality":"auspicious"},{"name":"Amṛta","start":"21:13","end":"22:45","startHours":21.222821034693364,"endHours":22.755218464291076,"quality":"auspicious"},{"name":"Kāla","start":"22:45","end":"00:17","startHours":22.755218464291076,"endHours":24.28761589388879,"quality":"inauspicious"},{"name":"Śubha","start":"00:17","end":"01:49","startHours":24.28761589388879,"endHours":25.820013323486503,"quality":"auspicious"},{"name":"Roga","start":"01:49","end":"03:21","startHours":25.820013323486503,"endHours":27.352410753084214,"quality":"inauspicious"},{"name":"Udveg","start":"03:21","end":"04:53","startHours":27.352410753084214,"endHours":28.88480818268193,"quality":"inauspicious"},{"name":"Chala","start":"04:53","end":"06:25","startHours":28.88480818268193,"endHours":30.41720561227964,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.417205612279642,"endHours":7.417205612279642,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.417205612279642,"endHours":8.417205612279641,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.417205612279641,"endHours":9.417205612279641,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.417205612279641,"endHours":10.417205612279641,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.417205612279641,"endHours":11.417205612279641,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.417205612279641,"endHours":12.417205612279641,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.417205612279641,"endHours":13.417205612279641,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.417205612279641,"endHours":14.417205612279641,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.417205612279641,"endHours":15.417205612279641,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.417205612279641,"endHours":16.41720561227964,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.41720561227964,"endHours":17.41720561227964,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.41720561227964,"endHours":18.41720561227964,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.41720561227964,"endHours":19.41720561227964,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.41720561227964,"endHours":20.41720561227964,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.41720561227964,"endHours":21.41720561227964,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.41720561227964,"endHours":22.41720561227964,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.41720561227964,"endHours":23.41720561227964,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.41720561227964,"endHours":24.41720561227964,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.41720561227964,"endHours":25.41720561227964,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.41720561227964,"endHours":26.41720561227964,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.41720561227964,"endHours":27.41720561227964,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.41720561227964,"endHours":28.41720561227964,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.41720561227964,"endHours":29.41720561227964,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.41720561227964,"endHours":30.41720561227964,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"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":-22.266496247237964,"eotMinutes":-6.7017536333273355,"ayanamsa":24.1047}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Saptamī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"colombo"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 8, 2018 CE · Colombo, Sri Lanka · Vidhyamitra","description":"January 8, 2018 CE for Colombo, Sri Lanka: Kṛṣṇa Saptamī, sūryodaya 06:25, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2018-01-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2018-01-08","sa":"https://sa.vidhyamitra.com/city/colombo/2018-01-08","hi":"https://hi.vidhyamitra.com/city/colombo/2018-01-08","x-default":"https://vidhyamitra.com/city/colombo/2018-01-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T01:32:25.337Z","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":"2026-06-02T01:32:25.337Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T01:32:25.337Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}